[{"language":"el","country":"Greece","file_name":"fusiki_2024.pdf","source":"https:\/\/www.panellinies.net\/%cf%86%cf%85%cf%83%ce%b9%ce%ba%ce%ae-%ce%ba%ce%b1%cf%84%ce%b5%cf%8d%ce%b8%cf%85%ce%bd%cf%83%ce%b7%cf%82\/","license":"open","level":"University entrance exams","category_en":"Physics","category_original_lang":"\u03a6\u03c5\u03c3\u03b9\u03ba\u03ae","original_question_num":"A2","question":"\u03a3\u03c4\u03bf \u03c0\u03b1\u03c1\u03b1\u03ba\u03ac\u03c4\u03c9 \u03c3\u03c7\u03ae\u03bc\u03b1 \u03c1\u03b1\u03b2\u03b4\u03cc\u03bc\u03bf\u03c1\u03c6\u03bf\u03c2 \u03bc\u03b1\u03b3\u03bd\u03ae\u03c4\u03b7\u03c2 \u03c0\u03bb\u03b7\u03c3\u03b9\u03ac\u03b6\u03b5\u03b9 \u03c0\u03c1\u03bf\u03c2 \u03c4\u03bf \u03b1\u03bd\u03bf\u03b9\u03ba\u03c4\u03cc \u03c0\u03b7\u03bd\u03af\u03bf, \u03ad\u03c4\u03c3\u03b9 \u03ce\u03c3\u03c4\u03b5 \u03bf \u03ac\u03be\u03bf\u03bd\u03b1\u03c2 \u03c4\u03bf\u03c5 \u03bd\u03b1 \u03c4\u03b1\u03c5\u03c4\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03c4\u03bf\u03bd \u03ac\u03be\u03bf\u03bd\u03b1 \u03c4\u03bf\u03c5 \u03c0\u03b7\u03bd\u03af\u03bf\u03c5.  \u03a4\u03cc\u03c4\u03b5:","options":["\u03c3\u03c4\u03bf \u03ac\u03ba\u03c1\u03bf \u0391 \u03c4\u03bf\u03c5 \u03c0\u03b7\u03bd\u03af\u03bf\u03c5 \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03b5\u03af\u03c4\u03b1\u03b9 \u03b2\u03cc\u03c1\u03b5\u03b9\u03bf\u03c2 (\u039d) \u03bc\u03b1\u03b3\u03bd\u03b7\u03c4\u03b9\u03ba\u03cc\u03c2 \u03c0\u03cc\u03bb\u03bf\u03c2.","\u03c4\u03bf \u03c0\u03b7\u03bd\u03af\u03bf \u03b4\u03b9\u03b1\u03c1\u03c1\u03ad\u03b5\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03b5\u03c0\u03b1\u03b3\u03c9\u03b3\u03b9\u03ba\u03cc \u03c1\u03b5\u03cd\u03bc\u03b1.","\u03c3\u03c4\u03b1 \u03ac\u03ba\u03c1\u03b1 \u0391 \u03ba\u03b1\u03b9 \u0392 \u03c4\u03bf\u03c5 \u03c0\u03b7\u03bd\u03af\u03bf\u03c5 \u03b1\u03bd\u03b1\u03c0\u03c4\u03cd\u03c3\u03c3\u03b5\u03c4\u03b1\u03b9 \u03c4\u03ac\u03c3\u03b7 \u03b1\u03c0\u03cc \u03b5\u03c0\u03b1\u03b3\u03c9\u03b3\u03ae.","\u03c4\u03bf \u03c0\u03b7\u03bd\u03af\u03bf \u03b1\u03c0\u03c9\u03b8\u03b5\u03af \u03c4\u03bf\u03bd \u03bc\u03b1\u03b3\u03bd\u03ae\u03c4\u03b7. "],"answer":2,"image_png":"physics_2024_a2_q.png","image_information":"essential","image_type":"figure","parallel_question":null},{"language":"el","country":"Greece","file_name":"fusiki_2024.pdf","source":"https:\/\/www.panellinies.net\/%cf%86%cf%85%cf%83%ce%b9%ce%ba%ce%ae-%ce%ba%ce%b1%cf%84%ce%b5%cf%8d%ce%b8%cf%85%ce%bd%cf%83%ce%b7%cf%82\/","license":"open","level":"University entrance exams","category_en":"Physics","category_original_lang":"\u03a6\u03c5\u03c3\u03b9\u03ba\u03ae","original_question_num":"A3","question":"\u039f \u03bf\u03bc\u03bf\u03b3\u03b5\u03bd\u03ae\u03c2 \u03b4\u03af\u03c3\u03ba\u03bf\u03c2 \u03c4\u03bf\u03c5 \u03c3\u03c7\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2 \u03b2\u03c1\u03af\u03c3\u03ba\u03b5\u03c4\u03b1\u03b9 \u03b1\u03ba\u03af\u03bd\u03b7\u03c4\u03bf\u03c2 \u03c0\u03ac\u03bd\u03c9 \u03c3\u03b5 \u03bb\u03b5\u03af\u03bf \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03bf \u03b4\u03ac\u03c0\u03b5\u03b4\u03bf \u03bc\u03b5 \u03c4\u03bf \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03cc \u03c4\u03bf\u03c5 \u03ba\u03b1\u03c4\u03b1\u03ba\u03cc\u03c1\u03c5\u03c6\u03bf. \u0391\u03c3\u03ba\u03ce\u03bd\u03c4\u03b1\u03c2 \u03c3\u03c4\u03bf \u03ba\u03ad\u03bd\u03c4\u03c1\u03bf \u03bc\u03ac\u03b6\u03b1\u03c2 \u03c4\u03bf\u03c5 \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ae \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03b1 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 F, \u03c3\u03c4\u03bf \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf \u03c4\u03bf\u03c5 \u03b4\u03af\u03c3\u03ba\u03bf\u03c5, \u03b1\u03c5\u03c4\u03cc \u03b1\u03c0\u03bf\u03ba\u03c4\u03ac \u03b5\u03c0\u03b9\u03c4\u03ac\u03c7\u03c5\u03bd\u03c3\u03b7 \u03bc\u03ad\u03c4\u03c1\u03bf\u03c5 \u03b1_{cm} . \u03a4\u03bf \u03bc\u03ad\u03c4\u03c1\u03bf \u03c4\u03b7\u03c2 \u03b5\u03c0\u03b9\u03c4\u03ac\u03c7\u03c5\u03bd\u03c3\u03b7\u03c2 \u03c4\u03bf\u03c5 \u03c3\u03b7\u03bc\u03b5\u03af\u03bf\u03c5 \u0391 \u03c0\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03bd\u03c4\u03b9\u03b4\u03b9\u03b1\u03bc\u03b5\u03c4\u03c1\u03b9\u03ba\u03cc \u03bc\u03b5 \u03c4\u03bf \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u03b5\u03c0\u03b1\u03c6\u03ae\u03c2 \u03c4\u03bf\u03c5 \u03b4\u03af\u03c3\u03ba\u03bf\u03c5 \u03bc\u03b5 \u03c4\u03bf \u03ad\u03b4\u03b1\u03c6\u03bf\u03c2 \u03ba\u03ac\u03b8\u03b5 \u03c7\u03c1\u03bf\u03bd\u03b9\u03ba\u03ae \u03c3\u03c4\u03b9\u03b3\u03bc\u03ae \u03b5\u03af\u03bd\u03b1\u03b9 ","options":["2 \u03b1_{cm}","0","\u03b1_{cm}","sqrt{2} \u03b1_{cm}"],"answer":2,"image_png":"physics_2024_a3_q.png","image_information":"essential","image_type":"figure","parallel_question":null},{"language":"el","country":"Greece","file_name":"fusiki_2024.pdf","source":"https:\/\/www.panellinies.net\/%cf%86%cf%85%cf%83%ce%b9%ce%ba%ce%ae-%ce%ba%ce%b1%cf%84%ce%b5%cf%8d%ce%b8%cf%85%ce%bd%cf%83%ce%b7%cf%82\/","license":"open","level":"University entrance exams","category_en":"Physics","category_original_lang":"\u03a6\u03c5\u03c3\u03b9\u03ba\u03ae","original_question_num":"\u03923\u03b1","question":"T\u03bf \u03c3\u03ce\u03bc\u03b1 \u03a3 \u03c4\u03bf\u03c5 \u03c0\u03b1\u03c1\u03b1\u03ba\u03ac\u03c4\u03c9 \u03c3\u03c7\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2, \u03bc\u03ac\u03b6\u03b1\u03c2 m, \u03ad\u03c7\u03b5\u03b9 \u03c3\u03c4\u03b5\u03c1\u03b5\u03c9\u03b8\u03b5\u03af \u03c3\u03c4\u03bf \u03ac\u03ba\u03c1\u03bf \u0392 \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03b1\u03c2, \u03bf\u03bc\u03bf\u03b3\u03b5\u03bd\u03bf\u03cd\u03c2, \u03ac\u03ba\u03b1\u03bc\u03c0\u03c4\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03b1\u03b2\u03b1\u03c1\u03bf\u03cd\u03c2 \u03c1\u03ac\u03b2\u03b4\u03bf\u03c5 \u0391\u0392. \u0397 \u03c1\u03ac\u03b2\u03b4\u03bf\u03c2 \u03b1\u03ba\u03bf\u03c5\u03bc\u03c0\u03ac \u03c0\u03ac\u03bd\u03c9 \u03c3\u03c4\u03b7\u03bd \u03c0\u03b5\u03c1\u03b9\u03c6\u03ad\u03c1\u03b5\u03b9\u03b1 \u03bf\u03bc\u03bf\u03b3\u03b5\u03bd\u03bf\u03cd\u03c2 \u03b4\u03af\u03c3\u03ba\u03bf\u03c5 \u03ba\u03ad\u03bd\u03c4\u03c1\u03bf\u03c5 \u039f \u03ba\u03b1\u03b9 \u03b1\u03ba\u03c4\u03af\u03bd\u03b1\u03c2 R. \u039f \u03b4\u03af\u03c3\u03ba\u03bf\u03c2 \u03b2\u03c1\u03af\u03c3\u03ba\u03b5\u03c4\u03b1\u03b9 \u03c0\u03ac\u03bd\u03c9 \u03c3\u03b5 \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03bf \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf \u03bc\u03b5 \u03c4\u03bf \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03cc \u03c4\u03bf\u03c5 \u03ba\u03b1\u03c4\u03b1\u03ba\u03cc\u03c1\u03c5\u03c6\u03bf. \u03a4\u03bf \u03c3\u03ce\u03bc\u03b1 \u03a3 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03ba\u03b9\u03bd\u03b5\u03af\u03c4\u03b1\u03b9 \u03c0\u03ac\u03bd\u03c9 \u03c3\u03b5 \u03bb\u03b5\u03af\u03b1, \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03b1, \u03bf\u03bc\u03bf\u03b3\u03b5\u03bd\u03ae \u03ba\u03b1\u03b9 \u03ac\u03ba\u03b1\u03bc\u03c0\u03c4\u03b7 \u03b4\u03bf\u03ba\u03cc \u0393\u0394 \u03bc\u03ae\u03ba\u03bf\u03c5\u03c2 \u2113 \u03ba\u03b1\u03b9 \u03bc\u03ac\u03b6\u03b1\u03c2 \u039c = m \/ 2. \u0397 \u03b4\u03bf\u03ba\u03cc\u03c2 \u03ad\u03c7\u03b5\u03b9 \u03b1\u03c1\u03b8\u03c1\u03c9\u03b8\u03b5\u03af \u03ba\u03b1\u03c4\u03ac\u03bb\u03bb\u03b7\u03bb\u03b1 \u03c3\u03c4\u03bf \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u0396, \u03bc\u03b5 \u03c4\u03b7\u03bd \u03ba\u03bf\u03c1\u03c5\u03c6\u03ae \u03ba\u03b1\u03c4\u03b1\u03ba\u03cc\u03c1\u03c5\u03c6\u03bf\u03c5 \u03ba\u03b1\u03b9 \u03b1\u03ba\u03bb\u03cc\u03bd\u03b7\u03c4\u03bf\u03c5 \u03c5\u03c0\u03bf\u03c3\u03c4\u03b7\u03c1\u03af\u03b3\u03bc\u03b1\u03c4\u03bf\u03c2 (1) \u03c0\u03bf\u03c5 \u03b2\u03c1\u03af\u03c3\u03ba\u03b5\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03b1\u03c0\u03cc\u03c3\u03c4\u03b1\u03c3\u03b7 \u2113\/4 \u03b1\u03c0\u03cc \u03c4\u03bf \u03ac\u03ba\u03c1\u03bf \u03c4\u03b7\u03c2 \u0393. \u03a3\u03b5 \u03b1\u03c0\u03cc\u03c3\u03c4\u03b1\u03c3\u03b7 \u2113\/4 \u03b1\u03c0\u03cc \u03c4\u03bf \u03ac\u03ba\u03c1\u03bf \u0394 \u03c4\u03b7\u03c2 \u03b4\u03bf\u03ba\u03bf\u03cd \u03ad\u03c7\u03b5\u03b9 \u03c4\u03bf\u03c0\u03bf\u03b8\u03b5\u03c4\u03b7\u03b8\u03b5\u03af \u03ad\u03bd\u03b1 \u03b4\u03b5\u03cd\u03c4\u03b5\u03c1\u03bf, \u03cc\u03bc\u03bf\u03b9\u03bf \u03ba\u03b1\u03c4\u03b1\u03ba\u03cc\u03c1\u03c5\u03c6\u03bf \u03c5\u03c0\u03bf\u03c3\u03c4\u03ae\u03c1\u03b9\u03b3\u03bc\u03b1 (2), \u03c0\u03ac\u03bd\u03c9 \u03c3\u03c4\u03b7\u03bd \u03ba\u03bf\u03c1\u03c5\u03c6\u03ae \u039b \u03c4\u03bf\u03c5 \u03bf\u03c0\u03bf\u03af\u03bf\u03c5 \u03b1\u03ba\u03bf\u03c5\u03bc\u03c0\u03ac \u03b7 \u03b4\u03bf\u03ba\u03cc\u03c2 \u0393\u0394. \u03a4\u03b1 \u03c5\u03c0\u03bf\u03c3\u03c4\u03b7\u03c1\u03af\u03b3\u03bc\u03b1\u03c4\u03b1 \u03ad\u03c7\u03bf\u03c5\u03bd \u03c4\u03bf\u03c0\u03bf\u03b8\u03b5\u03c4\u03b7\u03b8\u03b5\u03af \u03c3\u03c4\u03bf \u03af\u03b4\u03b9\u03bf \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03bf \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf \u03bc\u03b5 \u03b1\u03c5\u03c4\u03cc \u03c3\u03c4\u03bf \u03bf\u03c0\u03bf\u03af\u03bf \u03b2\u03c1\u03af\u03c3\u03ba\u03b5\u03c4\u03b1\u03b9 \u03bf \u03b4\u03af\u03c3\u03ba\u03bf\u03c2, \u03cc\u03c0\u03c9\u03c2 \u03c6\u03b1\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf \u03c3\u03c7\u03ae\u03bc\u03b1. \n\n\u03a4\u03bf \u03c3\u03cd\u03c3\u03c4\u03b7\u03bc\u03b1 \u03c1\u03ac\u03b2\u03b4\u03bf\u03c5-\u03c3\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2 \u03a3 \u03ba\u03b9\u03bd\u03b5\u03af\u03c4\u03b1\u03b9 \u03c0\u03c1\u03bf\u03c2 \u03c4\u03b1 \u03b1\u03c1\u03b9\u03c3\u03c4\u03b5\u03c1\u03ac \u03bc\u03b5 \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ae \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 \u03bc\u03ad\u03c4\u03c1\u03bf\u03c5 \u03c5. \u039f \u03b4\u03af\u03c3\u03ba\u03bf\u03c2 \u03b5\u03ba\u03c4\u03b5\u03bb\u03b5\u03af \u03ba\u03cd\u03bb\u03b9\u03c3\u03b7 \u03c7\u03c9\u03c1\u03af\u03c2 \u03bf\u03bb\u03af\u03c3\u03b8\u03b7\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03b7 \u03c0\u03b5\u03c1\u03b9\u03c6\u03ad\u03c1\u03b5\u03b9\u03ac \u03c4\u03bf\u03c5 \u03b2\u03c1\u03af\u03c3\u03ba\u03b5\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03c3\u03c5\u03bd\u03b5\u03c7\u03ae \u03b5\u03c0\u03b1\u03c6\u03ae \u03bc\u03b5 \u03c4\u03b7 \u03c1\u03ac\u03b2\u03b4\u03bf \u0391\u0392, \u03c7\u03c9\u03c1\u03af\u03c2 \u03bd\u03b1 \u03c0\u03b1\u03c1\u03b1\u03c4\u03b7\u03c1\u03b5\u03af\u03c4\u03b1\u03b9 \u03bf\u03bb\u03af\u03c3\u03b8\u03b7\u03c3\u03b7 \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c4\u03bf\u03c5\u03c2. \u03a4\u03bf \u03c3\u03ce\u03bc\u03b1 \u03a3, \u03ba\u03b9\u03bd\u03bf\u03cd\u03bc\u03b5\u03bd\u03bf \u03b1\u03c0\u03cc \u03c4\u03bf \u0394 \u03c0\u03c1\u03bf\u03c2 \u03c4\u03bf \u0393, \u03c4\u03b7 \u03c7\u03c1\u03bf\u03bd\u03b9\u03ba\u03ae \u03c3\u03c4\u03b9\u03b3\u03bc\u03ae t = 0 \u03c0\u03b5\u03c1\u03bd\u03ac \u03b1\u03c0\u03cc \u03c4\u03bf \u03bc\u03ad\u03c3\u03bf \u0397 \u03c4\u03b7\u03c2 \u03b4\u03bf\u03ba\u03bf\u03cd. \u03a4\u03b7 \u03c7\u03c1\u03bf\u03bd\u03b9\u03ba\u03ae \u03c3\u03c4\u03b9\u03b3\u03bc\u03ae t1 \u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 \u03a3 \u03c0\u03b5\u03c1\u03bd\u03ac \u03b1\u03c0\u03cc \u03ad\u03bd\u03b1 \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u03c4\u03b7\u03c2 \u03b4\u03bf\u03ba\u03bf\u03cd, \u03c3\u03c4\u03bf \u03bf\u03c0\u03bf\u03af\u03bf \u03b7 \u03b4\u03bf\u03ba\u03cc\u03c2 \u03bc\u03cc\u03bb\u03b9\u03c2 \u03c0\u03bf\u03c5 \u03c7\u03ac\u03bd\u03b5\u03b9 \u03bf\u03c1\u03b9\u03b1\u03ba\u03ac \u03c4\u03b7\u03bd \u03b5\u03c0\u03b1\u03c6\u03ae \u03c4\u03b7\u03c2 \u03bc\u03b5 \u03c4\u03b7\u03bd \u03ba\u03bf\u03c1\u03c5\u03c6\u03ae \u03c4\u03bf\u03c5 \u03c5\u03c0\u03bf\u03c3\u03c4\u03b7\u03c1\u03af\u03b3\u03bc\u03b1\u03c4\u03bf\u03c2 (2).\n\n\u0397 \u03b1\u03c0\u03cc\u03c3\u03c4\u03b1\u03c3\u03b7 \u03c0\u03bf\u03c5 \u03ad\u03c7\u03b5\u03b9 \u03b4\u03b9\u03b1\u03bd\u03cd\u03c3\u03b5\u03b9 \u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 \u03a3 \u03b1\u03c0\u03cc \u03c4\u03b7 \u03c7\u03c1\u03bf\u03bd\u03b9\u03ba\u03ae \u03c3\u03c4\u03b9\u03b3\u03bc\u03ae t = 0 \u03bc\u03ad\u03c7\u03c1\u03b9 \u03c4\u03b7 \u03c7\u03c1\u03bf\u03bd\u03b9\u03ba\u03ae \u03c3\u03c4\u03b9\u03b3\u03bc\u03ae t1 \u03b5\u03af\u03bd\u03b1\u03b9: ","options":["5\u2113\/6","3\u2113\/8","\u2113\/3","\u039a\u03b1\u03bd\u03ad\u03bd\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b1 \u03c0\u03b1\u03c1\u03b1\u03c0\u03ac\u03bd\u03c9"],"answer":1,"image_png":"physics_2024_b3_q.png","image_information":"essential","image_type":"figure","parallel_question":null},{"language":"el","country":"Greece","file_name":"fusiki_2024.pdf","source":"https:\/\/www.panellinies.net\/%cf%86%cf%85%cf%83%ce%b9%ce%ba%ce%ae-%ce%ba%ce%b1%cf%84%ce%b5%cf%8d%ce%b8%cf%85%ce%bd%cf%83%ce%b7%cf%82\/","license":"open","level":"University entrance exams","category_en":"Physics","category_original_lang":"\u03a6\u03c5\u03c3\u03b9\u03ba\u03ae","original_question_num":"\u03923\u03b2","question":"T\u03bf \u03c3\u03ce\u03bc\u03b1 \u03a3 \u03c4\u03bf\u03c5 \u03c0\u03b1\u03c1\u03b1\u03ba\u03ac\u03c4\u03c9 \u03c3\u03c7\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2, \u03bc\u03ac\u03b6\u03b1\u03c2 m, \u03ad\u03c7\u03b5\u03b9 \u03c3\u03c4\u03b5\u03c1\u03b5\u03c9\u03b8\u03b5\u03af \u03c3\u03c4\u03bf \u03ac\u03ba\u03c1\u03bf \u0392 \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03b1\u03c2, \u03bf\u03bc\u03bf\u03b3\u03b5\u03bd\u03bf\u03cd\u03c2, \u03ac\u03ba\u03b1\u03bc\u03c0\u03c4\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03b1\u03b2\u03b1\u03c1\u03bf\u03cd\u03c2 \u03c1\u03ac\u03b2\u03b4\u03bf\u03c5 \u0391\u0392. \u0397 \u03c1\u03ac\u03b2\u03b4\u03bf\u03c2 \u03b1\u03ba\u03bf\u03c5\u03bc\u03c0\u03ac \u03c0\u03ac\u03bd\u03c9 \u03c3\u03c4\u03b7\u03bd \u03c0\u03b5\u03c1\u03b9\u03c6\u03ad\u03c1\u03b5\u03b9\u03b1 \u03bf\u03bc\u03bf\u03b3\u03b5\u03bd\u03bf\u03cd\u03c2 \u03b4\u03af\u03c3\u03ba\u03bf\u03c5 \u03ba\u03ad\u03bd\u03c4\u03c1\u03bf\u03c5 \u039f \u03ba\u03b1\u03b9 \u03b1\u03ba\u03c4\u03af\u03bd\u03b1\u03c2 R. \u039f \u03b4\u03af\u03c3\u03ba\u03bf\u03c2 \u03b2\u03c1\u03af\u03c3\u03ba\u03b5\u03c4\u03b1\u03b9 \u03c0\u03ac\u03bd\u03c9 \u03c3\u03b5 \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03bf \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf \u03bc\u03b5 \u03c4\u03bf \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03cc \u03c4\u03bf\u03c5 \u03ba\u03b1\u03c4\u03b1\u03ba\u03cc\u03c1\u03c5\u03c6\u03bf. \u03a4\u03bf \u03c3\u03ce\u03bc\u03b1 \u03a3 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03ba\u03b9\u03bd\u03b5\u03af\u03c4\u03b1\u03b9 \u03c0\u03ac\u03bd\u03c9 \u03c3\u03b5 \u03bb\u03b5\u03af\u03b1, \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03b1, \u03bf\u03bc\u03bf\u03b3\u03b5\u03bd\u03ae \u03ba\u03b1\u03b9 \u03ac\u03ba\u03b1\u03bc\u03c0\u03c4\u03b7 \u03b4\u03bf\u03ba\u03cc \u0393\u0394 \u03bc\u03ae\u03ba\u03bf\u03c5\u03c2 \u2113 \u03ba\u03b1\u03b9 \u03bc\u03ac\u03b6\u03b1\u03c2 \u039c = m \/ 2. \u0397 \u03b4\u03bf\u03ba\u03cc\u03c2 \u03ad\u03c7\u03b5\u03b9 \u03b1\u03c1\u03b8\u03c1\u03c9\u03b8\u03b5\u03af \u03ba\u03b1\u03c4\u03ac\u03bb\u03bb\u03b7\u03bb\u03b1 \u03c3\u03c4\u03bf \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u0396, \u03bc\u03b5 \u03c4\u03b7\u03bd \u03ba\u03bf\u03c1\u03c5\u03c6\u03ae \u03ba\u03b1\u03c4\u03b1\u03ba\u03cc\u03c1\u03c5\u03c6\u03bf\u03c5 \u03ba\u03b1\u03b9 \u03b1\u03ba\u03bb\u03cc\u03bd\u03b7\u03c4\u03bf\u03c5 \u03c5\u03c0\u03bf\u03c3\u03c4\u03b7\u03c1\u03af\u03b3\u03bc\u03b1\u03c4\u03bf\u03c2 (1) \u03c0\u03bf\u03c5 \u03b2\u03c1\u03af\u03c3\u03ba\u03b5\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03b1\u03c0\u03cc\u03c3\u03c4\u03b1\u03c3\u03b7 \u2113\/4 \u03b1\u03c0\u03cc \u03c4\u03bf \u03ac\u03ba\u03c1\u03bf \u03c4\u03b7\u03c2 \u0393. \u03a3\u03b5 \u03b1\u03c0\u03cc\u03c3\u03c4\u03b1\u03c3\u03b7 \u2113\/4 \u03b1\u03c0\u03cc \u03c4\u03bf \u03ac\u03ba\u03c1\u03bf \u0394 \u03c4\u03b7\u03c2 \u03b4\u03bf\u03ba\u03bf\u03cd \u03ad\u03c7\u03b5\u03b9 \u03c4\u03bf\u03c0\u03bf\u03b8\u03b5\u03c4\u03b7\u03b8\u03b5\u03af \u03ad\u03bd\u03b1 \u03b4\u03b5\u03cd\u03c4\u03b5\u03c1\u03bf, \u03cc\u03bc\u03bf\u03b9\u03bf \u03ba\u03b1\u03c4\u03b1\u03ba\u03cc\u03c1\u03c5\u03c6\u03bf \u03c5\u03c0\u03bf\u03c3\u03c4\u03ae\u03c1\u03b9\u03b3\u03bc\u03b1 (2), \u03c0\u03ac\u03bd\u03c9 \u03c3\u03c4\u03b7\u03bd \u03ba\u03bf\u03c1\u03c5\u03c6\u03ae \u039b \u03c4\u03bf\u03c5 \u03bf\u03c0\u03bf\u03af\u03bf\u03c5 \u03b1\u03ba\u03bf\u03c5\u03bc\u03c0\u03ac \u03b7 \u03b4\u03bf\u03ba\u03cc\u03c2 \u0393\u0394. \u03a4\u03b1 \u03c5\u03c0\u03bf\u03c3\u03c4\u03b7\u03c1\u03af\u03b3\u03bc\u03b1\u03c4\u03b1 \u03ad\u03c7\u03bf\u03c5\u03bd \u03c4\u03bf\u03c0\u03bf\u03b8\u03b5\u03c4\u03b7\u03b8\u03b5\u03af \u03c3\u03c4\u03bf \u03af\u03b4\u03b9\u03bf \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03bf \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf \u03bc\u03b5 \u03b1\u03c5\u03c4\u03cc \u03c3\u03c4\u03bf \u03bf\u03c0\u03bf\u03af\u03bf \u03b2\u03c1\u03af\u03c3\u03ba\u03b5\u03c4\u03b1\u03b9 \u03bf \u03b4\u03af\u03c3\u03ba\u03bf\u03c2, \u03cc\u03c0\u03c9\u03c2 \u03c6\u03b1\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf \u03c3\u03c7\u03ae\u03bc\u03b1. \n\n\u03a4\u03bf \u03c3\u03cd\u03c3\u03c4\u03b7\u03bc\u03b1 \u03c1\u03ac\u03b2\u03b4\u03bf\u03c5-\u03c3\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2 \u03a3 \u03ba\u03b9\u03bd\u03b5\u03af\u03c4\u03b1\u03b9 \u03c0\u03c1\u03bf\u03c2 \u03c4\u03b1 \u03b1\u03c1\u03b9\u03c3\u03c4\u03b5\u03c1\u03ac \u03bc\u03b5 \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ae \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 \u03bc\u03ad\u03c4\u03c1\u03bf\u03c5 \u03c5. \u039f \u03b4\u03af\u03c3\u03ba\u03bf\u03c2 \u03b5\u03ba\u03c4\u03b5\u03bb\u03b5\u03af \u03ba\u03cd\u03bb\u03b9\u03c3\u03b7 \u03c7\u03c9\u03c1\u03af\u03c2 \u03bf\u03bb\u03af\u03c3\u03b8\u03b7\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03b7 \u03c0\u03b5\u03c1\u03b9\u03c6\u03ad\u03c1\u03b5\u03b9\u03ac \u03c4\u03bf\u03c5 \u03b2\u03c1\u03af\u03c3\u03ba\u03b5\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03c3\u03c5\u03bd\u03b5\u03c7\u03ae \u03b5\u03c0\u03b1\u03c6\u03ae \u03bc\u03b5 \u03c4\u03b7 \u03c1\u03ac\u03b2\u03b4\u03bf \u0391\u0392, \u03c7\u03c9\u03c1\u03af\u03c2 \u03bd\u03b1 \u03c0\u03b1\u03c1\u03b1\u03c4\u03b7\u03c1\u03b5\u03af\u03c4\u03b1\u03b9 \u03bf\u03bb\u03af\u03c3\u03b8\u03b7\u03c3\u03b7 \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c4\u03bf\u03c5\u03c2. \u03a4\u03bf \u03c3\u03ce\u03bc\u03b1 \u03a3, \u03ba\u03b9\u03bd\u03bf\u03cd\u03bc\u03b5\u03bd\u03bf \u03b1\u03c0\u03cc \u03c4\u03bf \u0394 \u03c0\u03c1\u03bf\u03c2 \u03c4\u03bf \u0393, \u03c4\u03b7 \u03c7\u03c1\u03bf\u03bd\u03b9\u03ba\u03ae \u03c3\u03c4\u03b9\u03b3\u03bc\u03ae t = 0 \u03c0\u03b5\u03c1\u03bd\u03ac \u03b1\u03c0\u03cc \u03c4\u03bf \u03bc\u03ad\u03c3\u03bf \u0397 \u03c4\u03b7\u03c2 \u03b4\u03bf\u03ba\u03bf\u03cd. \u03a4\u03b7 \u03c7\u03c1\u03bf\u03bd\u03b9\u03ba\u03ae \u03c3\u03c4\u03b9\u03b3\u03bc\u03ae t1 \u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 \u03a3 \u03c0\u03b5\u03c1\u03bd\u03ac \u03b1\u03c0\u03cc \u03ad\u03bd\u03b1 \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u03c4\u03b7\u03c2 \u03b4\u03bf\u03ba\u03bf\u03cd, \u03c3\u03c4\u03bf \u03bf\u03c0\u03bf\u03af\u03bf \u03b7 \u03b4\u03bf\u03ba\u03cc\u03c2 \u03bc\u03cc\u03bb\u03b9\u03c2 \u03c0\u03bf\u03c5 \u03c7\u03ac\u03bd\u03b5\u03b9 \u03bf\u03c1\u03b9\u03b1\u03ba\u03ac \u03c4\u03b7\u03bd \u03b5\u03c0\u03b1\u03c6\u03ae \u03c4\u03b7\u03c2 \u03bc\u03b5 \u03c4\u03b7\u03bd \u03ba\u03bf\u03c1\u03c5\u03c6\u03ae \u03c4\u03bf\u03c5 \u03c5\u03c0\u03bf\u03c3\u03c4\u03b7\u03c1\u03af\u03b3\u03bc\u03b1\u03c4\u03bf\u03c2 (2).\n\n\u03a4\u03bf \u03b4\u03b9\u03ac\u03c3\u03c4\u03b7\u03bc\u03b1 s \u03c0\u03bf\u03c5 \u03ad\u03c7\u03b5\u03b9 \u03b4\u03b9\u03b1\u03bd\u03cd\u03c3\u03b5\u03b9 \u03c4\u03bf \u03ba\u03ad\u03bd\u03c4\u03c1\u03bf \u03bc\u03ac\u03b6\u03b1\u03c2 \u039f \u03c4\u03bf\u03c5 \u03b4\u03af\u03c3\u03ba\u03bf\u03c5 \u03b1\u03c0\u03cc \u03c4\u03b7 \u03c7\u03c1\u03bf\u03bd\u03b9\u03ba\u03ae \u03c3\u03c4\u03b9\u03b3\u03bc\u03ae t = 0 \u03bc\u03ad\u03c7\u03c1\u03b9 \u03c4\u03b7 \u03c7\u03c1\u03bf\u03bd\u03b9\u03ba\u03ae \u03c3\u03c4\u03b9\u03b3\u03bc\u03ae t1 \u03b5\u03af\u03bd\u03b1\u03b9: ","options":["3\u2113\/16","3\u2113\/8","\u2113\/16","\u039a\u03b1\u03bd\u03ad\u03bd\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b1 \u03c0\u03b1\u03c1\u03b1\u03c0\u03ac\u03bd\u03c9"],"answer":0,"image_png":"physics_2024_b3_q.png","image_information":"essential","image_type":"figure","parallel_question":null},{"language":"el","country":"Greece","file_name":"fusiki_2024.pdf","source":"https:\/\/www.panellinies.net\/%cf%86%cf%85%cf%83%ce%b9%ce%ba%ce%ae-%ce%ba%ce%b1%cf%84%ce%b5%cf%8d%ce%b8%cf%85%ce%bd%cf%83%ce%b7%cf%82\/","license":"open","level":"University entrance exams","category_en":"Physics","category_original_lang":"\u03a6\u03c5\u03c3\u03b9\u03ba\u03ae","original_question_num":"\u03922","question":"\u03a3\u03c4\u03bf \u03c0\u03b1\u03c1\u03b1\u03ba\u03ac\u03c4\u03c9 \u03c3\u03c7\u03ae\u03bc\u03b1 \u03b1\u03c0\u03b5\u03b9\u03ba\u03bf\u03bd\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03bc\u03b9\u03b1 \u03bc\u03b5\u03c4\u03b1\u03bb\u03bb\u03b9\u03ba\u03ae \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1 \u03c3\u03b5 \u03c7\u03ce\u03c1\u03bf \u03cc\u03c0\u03bf\u03c5 \u03b5\u03c0\u03b9\u03ba\u03c1\u03b1\u03c4\u03b5\u03af \u03c5\u03c8\u03b7\u03bb\u03cc \u03ba\u03b5\u03bd\u03cc \u03ba\u03b1\u03b9 \u03c4\u03bf \u03c5\u03bb\u03b9\u03ba\u03cc \u03ba\u03b1\u03c4\u03b1\u03c3\u03ba\u03b5\u03c5\u03ae\u03c2 \u03c4\u03b7\u03c2 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03c0\u03cc \u0392\u03ac\u03c1\u03b9\u03bf \u03ae \u0392\u03bf\u03bb\u03c6\u03c1\u03ac\u03bc\u03b9\u03bf \u03ae \u03a4\u03b1\u03bd\u03c4\u03ac\u03bb\u03b9\u03bf. \n\n\u0393\u03bd\u03c9\u03c1\u03af\u03b6\u03bf\u03c5\u03bc\u03b5 \u03cc\u03c4\u03b9 \u03c4\u03bf \u0392\u03ac\u03c1\u03b9\u03bf \u03ad\u03c7\u03b5\u03b9 \u03ad\u03c1\u03b3\u03bf \u03b5\u03be\u03b1\u03b3\u03c9\u03b3\u03ae\u03c2 2,5 eV, \u03c4\u03bf \u0392\u03bf\u03bb\u03c6\u03c1\u03ac\u03bc\u03b9\u03bf 4,5 eV \u03ba\u03b1\u03b9 \u03c4\u03bf \u03a4\u03b1\u03bd\u03c4\u03ac\u03bb\u03b9\u03bf 4,2 eV. \u03a3\u03b5 \u03ad\u03bd\u03b1 \u03b5\u03c1\u03b3\u03b1\u03c3\u03c4\u03ae\u03c1\u03b9\u03bf \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bc\u03b5 \u03b4\u03cd\u03bf \u03c0\u03b5\u03b9\u03c1\u03ac\u03bc\u03b1\u03c4\u03b1 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03c0\u03c1\u03bf\u03c3\u03b4\u03b9\u03bf\u03c1\u03af\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c4\u03bf \u03c5\u03bb\u03b9\u03ba\u03cc \u03ba\u03b1\u03c4\u03b1\u03c3\u03ba\u03b5\u03c5\u03ae\u03c2 \u03c4\u03b7\u03c2 \u03bc\u03b5\u03c4\u03b1\u03bb\u03bb\u03b9\u03ba\u03ae\u03c2 \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1\u03c2.\n\n\u03a0\u03b5\u03af\u03c1\u03b1\u03bc\u03b1 1\u03bf: \u03a3\u03c4\u03b7 \u03bc\u03b5\u03c4\u03b1\u03bb\u03bb\u03b9\u03ba\u03ae \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1 \u03c0\u03c1\u03bf\u03c3\u03c0\u03af\u03c0\u03c4\u03b5\u03b9 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03bf\u03bc\u03b1\u03b3\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae \u03b1\u03ba\u03c4\u03b9\u03bd\u03bf\u03b2\u03bf\u03bb\u03af\u03b1 \u03ba\u03b1\u03b8\u03bf\u03c1\u03b9\u03c3\u03bc\u03ad\u03bd\u03bf\u03c5 \u03bc\u03ae\u03ba\u03bf\u03c5\u03c2 \u03ba\u03cd\u03bc\u03b1\u03c4\u03bf\u03c2 \u03bb_1 = 375 nm, \u03bf\u03c0\u03cc\u03c4\u03b5 \u03b5\u03be\u03ad\u03c1\u03c7\u03bf\u03bd\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03b1\u03c5\u03c4\u03ae \u03c6\u03c9\u03c4\u03bf\u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03cc\u03bd\u03b9\u03b1 \u03bc\u03ad\u03b3\u03b9\u03c3\u03c4\u03b7\u03c2 \u03ba\u03b9\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae\u03c2 \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1\u03c2 \u039a_1. \u039a\u03ac\u03c0\u03bf\u03b9\u03b1 \u03b1\u03c0\u03cc \u03b1\u03c5\u03c4\u03ac \u03ba\u03b1\u03c4\u03b5\u03c5\u03b8\u03cd\u03bd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c0\u03c1\u03bf\u03c2 \u03bf\u03bc\u03bf\u03b3\u03b5\u03bd\u03ad\u03c2 \u03bc\u03b1\u03b3\u03bd\u03b7\u03c4\u03b9\u03ba\u03cc \u03c0\u03b5\u03b4\u03af\u03bf \u03ad\u03bd\u03c4\u03b1\u03c3\u03b7\u03c2 \u0392 \u03ba\u03b1\u03b9 \u03b5\u03b9\u03c3\u03ad\u03c1\u03c7\u03bf\u03bd\u03c4\u03b1\u03b9 \u03ba\u03ac\u03b8\u03b5\u03c4\u03b1 \u03c3\u03c4\u03b9\u03c2 \u03b4\u03c5\u03bd\u03b1\u03bc\u03b9\u03ba\u03ad\u03c2 \u03b3\u03c1\u03b1\u03bc\u03bc\u03ad\u03c2 \u03c4\u03bf\u03c5, \u03bf\u03b9 \u03bf\u03c0\u03bf\u03af\u03b5\u03c2 \u03ad\u03c7\u03bf\u03c5\u03bd \u03b4\u03b9\u03b5\u03cd\u03b8\u03c5\u03bd\u03c3\u03b7 \u03ba\u03ac\u03b8\u03b5\u03c4\u03b7 \u03c3\u03c4\u03bf \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf \u03c4\u03b7\u03c2 \u03c3\u03b5\u03bb\u03af\u03b4\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03c6\u03bf\u03c1\u03ac \u03b1\u03c0\u03cc \u03c4\u03bf\u03bd \u03b1\u03bd\u03b1\u03b3\u03bd\u03ce\u03c3\u03c4\u03b7 \u03c0\u03c1\u03bf\u03c2 \u03c4\u03b7 \u03c3\u03b5\u03bb\u03af\u03b4\u03b1. \u039a\u03b1\u03c4\u03ac \u03c4\u03b7 \u03b4\u03b9\u03ac\u03c1\u03ba\u03b5\u03b9\u03b1 \u03c4\u03b7\u03c2 \u03ba\u03af\u03bd\u03b7\u03c3\u03ae\u03c2 \u03c4\u03bf\u03c5\u03c2 \u03b5\u03bd\u03c4\u03cc\u03c2 \u03c4\u03bf\u03c5 \u03bc\u03b1\u03b3\u03bd\u03b7\u03c4\u03b9\u03ba\u03bf\u03cd \u03c0\u03b5\u03b4\u03af\u03bf\u03c5, \u03c4\u03b1 \u03c6\u03c9\u03c4\u03bf\u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03cc\u03bd\u03b9\u03b1 \u03b1\u03c5\u03c4\u03ac \u03ad\u03c7\u03bf\u03c5\u03bd \u03c3\u03c4\u03c1\u03bf\u03c6\u03bf\u03c1\u03bc\u03ae L_1 \u03c9\u03c2 \u03c0\u03c1\u03bf\u03c2 \u03ac\u03be\u03bf\u03bd\u03b1 \u03c0\u03bf\u03c5 \u03b4\u03b9\u03ad\u03c1\u03c7\u03b5\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03bf \u03ba\u03ad\u03bd\u03c4\u03c1\u03bf \u03c4\u03b7\u03c2 \u03c4\u03c1\u03bf\u03c7\u03b9\u03ac\u03c2 \u03c4\u03bf\u03c5\u03c2 \u03ba\u03b1\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 \u03ba\u03ac\u03b8\u03b5\u03c4\u03bf\u03c2 \u03c3\u03b5 \u03b1\u03c5\u03c4\u03ae.\n\n\u03a0\u03b5\u03af\u03c1\u03b1\u03bc\u03b1 2\u03bf: \u0395\u03c0\u03b1\u03bd\u03b1\u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03bf\u03c5\u03bc\u03b5 \u03c4\u03bf \u03c0\u03b5\u03af\u03c1\u03b1\u03bc\u03b1 \u03bc\u03b5 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03bf\u03bc\u03b1\u03b3\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae \u03b1\u03ba\u03c4\u03b9\u03bd\u03bf\u03b2\u03bf\u03bb\u03af\u03b1 \u03bc\u03ae\u03ba\u03bf\u03c5\u03c2 \u03ba\u03cd\u03bc\u03b1\u03c4\u03bf\u03c2 \u03bb_2 = \u03bb_1 \/ 2, \u03bf\u03c0\u03cc\u03c4\u03b5 \u03b1\u03c0\u03cc \u03c4\u03b7 \u03bc\u03b5\u03c4\u03b1\u03bb\u03bb\u03b9\u03ba\u03ae \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1 \u03b5\u03be\u03ad\u03c1\u03c7\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c6\u03c9\u03c4\u03bf\u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03cc\u03bd\u03b9\u03b1 \u03bc\u03ad\u03b3\u03b9\u03c3\u03c4\u03b7\u03c2 \u03ba\u03b9\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae\u03c2 \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1\u03c2 \u039a_2. \u03a4\u03b1 \u03c6\u03c9\u03c4\u03bf\u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03cc\u03bd\u03b9\u03b1 \u03c0\u03bf\u03c5 \u03b5\u03b9\u03c3\u03ad\u03c1\u03c7\u03bf\u03bd\u03c4\u03b1\u03b9 \u03ba\u03ac\u03b8\u03b5\u03c4\u03b1 \u03c3\u03c4\u03bf \u03bc\u03b1\u03b3\u03bd\u03b7\u03c4\u03b9\u03ba\u03cc \u03c0\u03b5\u03b4\u03af\u03bf, \u03ba\u03b1\u03c4\u03ac \u03c4\u03b7 \u03b4\u03b9\u03ac\u03c1\u03ba\u03b5\u03b9\u03b1 \u03c4\u03b7\u03c2 \u03ba\u03af\u03bd\u03b7\u03c3\u03ae\u03c2 \u03c4\u03bf\u03c5\u03c2 \u03b5\u03bd\u03c4\u03cc\u03c2 \u03b1\u03c5\u03c4\u03bf\u03cd, \u03ad\u03c7\u03bf\u03c5\u03bd \u03c3\u03c4\u03c1\u03bf\u03c6\u03bf\u03c1\u03bc\u03ae L_2 \u03c9\u03c2 \u03c0\u03c1\u03bf\u03c2 \u03ac\u03be\u03bf\u03bd\u03b1 \u03c0\u03bf\u03c5 \u03b4\u03b9\u03ad\u03c1\u03c7\u03b5\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03bf \u03ba\u03ad\u03bd\u03c4\u03c1\u03bf \u03c4\u03b7\u03c2 \u03c4\u03c1\u03bf\u03c7\u03b9\u03ac\u03c2 \u03c4\u03bf\u03c5\u03c2 \u03ba\u03b1\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 \u03ba\u03ac\u03b8\u03b5\u03c4\u03bf\u03c2 \u03c3\u03b5 \u03b1\u03c5\u03c4\u03ae. \n\n\u0391\u03bd \u03b9\u03c3\u03c7\u03cd\u03b5\u03b9 \u03cc\u03c4\u03b9 L_2 = 5 L_1, \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03b1\u03af\u03bd\u03bf\u03c5\u03bc\u03b5 \u03cc\u03c4\u03b9 \u03b7 \u03bc\u03b5\u03c4\u03b1\u03bb\u03bb\u03b9\u03ba\u03ae \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03ba\u03b1\u03c4\u03b1\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03bc\u03ad\u03bd\u03b7 \u03b1\u03c0\u03cc:","options":["\u0392\u03ac\u03c1\u03b9\u03bf","\u0392\u03bf\u03bb\u03c6\u03c1\u03ac\u03bc\u03b9\u03bf","\u03a4\u03b1\u03bd\u03c4\u03ac\u03bb\u03b9\u03bf ","\u039a\u03b1\u03bd\u03ad\u03bd\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b1 \u03c0\u03b1\u03c1\u03b1\u03c0\u03ac\u03bd\u03c9"],"answer":0,"image_png":"physics_2024_b2_q.png","image_information":"essential","image_type":"figure","parallel_question":null},{"language":"el","country":"Greece","file_name":"fusiki_2023.pdf","source":"https:\/\/www.panellinies.net\/%cf%86%cf%85%cf%83%ce%b9%ce%ba%ce%ae-%ce%ba%ce%b1%cf%84%ce%b5%cf%8d%ce%b8%cf%85%ce%bd%cf%83%ce%b7%cf%82\/","license":"open","level":"University entrance exams","category_en":"Physics","category_original_lang":"\u03a6\u03c5\u03c3\u03b9\u03ba\u03ae","original_question_num":"A3","question":"\u0395\u03c5\u03b8\u03cd\u03b3\u03c1\u03b1\u03bc\u03bc\u03bf\u03c2 \u03c1\u03b5\u03c5\u03bc\u03b1\u03c4\u03bf\u03c6\u03cc\u03c1\u03bf\u03c2 \u03b1\u03b3\u03c9\u03b3\u03cc\u03c2 \u03bc\u03b5\u03b3\u03ac\u03bb\u03bf\u03c5 \u03bc\u03ae\u03ba\u03bf\u03c5\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03ba\u03ac\u03b8\u03b5\u03c4\u03bf\u03c2 \u03c3\u03c4\u03bf \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf \u03c4\u03b7\u03c2 \u03c3\u03b5\u03bb\u03af\u03b4\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03b4\u03b9\u03b1\u03c1\u03c1\u03ad\u03b5\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c3\u03c5\u03bd\u03b5\u03c7\u03ad\u03c2 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03cc \u03c1\u03b5\u03cd\u03bc\u03b1 \u03ad\u03bd\u03c4\u03b1\u03c3\u03b7\u03c2 \u0399 \u03bc\u03b5 \u03c6\u03bf\u03c1\u03ac \u03b1\u03c0\u03cc \u03c4\u03bf\u03bd \u03b1\u03bd\u03b1\u03b3\u03ce\u03c3\u03c4\u03b7 \u03c0\u03c1\u03bf\u03c2 \u03c4\u03b7 \u03c3\u03b5\u03bb\u03af\u03b4\u03b1. \u03a3\u03c4\u03bf \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u0391 \u03c4\u03bf\u03c5 \u03c3\u03c7\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2, \u03b7 \u03ad\u03bd\u03c4\u03b1\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03bc\u03b1\u03b3\u03bd\u03b7\u03c4\u03b9\u03ba\u03bf\u03cd \u03c0\u03b5\u03b4\u03af\u03bf\u03c5 \u03c0\u03bf\u03c5 \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03b5\u03af\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03bf\u03bd \u03b1\u03b3\u03c9\u03b3\u03cc \u03b1\u03c5\u03c4\u03cc \u03c0\u03b1\u03c1\u03b9\u03c3\u03c4\u03ac\u03bd\u03b5\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03c4\u03bf \u03b4\u03b9\u03ac\u03bd\u03c5\u03c3\u03bc\u03b1:","options":["B_1","B_2","B_3","B_4"],"answer":1,"image_png":"physics_2023_a3_q.png","image_information":"essential","image_type":"figure","parallel_question":null},{"language":"el","country":"Greece","file_name":"fusiki_2023.pdf","source":"https:\/\/www.panellinies.net\/%cf%86%cf%85%cf%83%ce%b9%ce%ba%ce%ae-%ce%ba%ce%b1%cf%84%ce%b5%cf%8d%ce%b8%cf%85%ce%bd%cf%83%ce%b7%cf%82\/","license":"open","level":"University entrance exams","category_en":"Physics","category_original_lang":"\u03a6\u03c5\u03c3\u03b9\u03ba\u03ae","original_question_num":"A4","question":"\u03a0\u03bf\u03b9\u03bf \u03b1\u03c0\u03cc \u03c4\u03b1 \u03c0\u03b1\u03c1\u03b1\u03ba\u03ac\u03c4\u03c9 \u03b3\u03c1\u03b1\u03c6\u03ae\u03bc\u03b1\u03c4\u03b1 \u03b1\u03c0\u03b5\u03b9\u03ba\u03bf\u03bd\u03af\u03b6\u03b5\u03b9 \u03c4\u03b1 \u03c6\u03ac\u03c3\u03bc\u03b1\u03c4\u03b1 \u03b5\u03ba\u03c0\u03bf\u03bc\u03c0\u03ae\u03c2 \u03b4\u03cd\u03bf \u03bc\u03b5\u03bb\u03b1\u03bd\u03ce\u03bd \u03c3\u03c9\u03bc\u03ac\u03c4\u03c9\u03bd, \u03bc\u03b5 \u03b1\u03c0\u03cc\u03bb\u03c5\u03c4\u03b5\u03c2 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b5\u03c2 \u03a4_1 \u03ba\u03b1\u03b9 \u03a4_2 \u03bc\u03b5 \u03a4_2 > \u03a4_1;","options":["physics_2023_a4_1.png","physics_2023_a4_2.png","physics_2023_a4_3.png","physics_2023_a4_4.png"],"answer":0,"image_png":null,"image_information":"essential","image_type":"graph","parallel_question":null},{"language":"el","country":"Greece","file_name":"fusiki_2022.pdf","source":"https:\/\/www.panellinies.net\/%cf%86%cf%85%cf%83%ce%b9%ce%ba%ce%ae-%ce%ba%ce%b1%cf%84%ce%b5%cf%8d%ce%b8%cf%85%ce%bd%cf%83%ce%b7%cf%82\/","license":"open","level":"University entrance exams","category_en":"Physics","category_original_lang":"\u03a6\u03c5\u03c3\u03b9\u03ba\u03ae","original_question_num":"B1","question":"\u03a3\u03ce\u03bc\u03b1 \u03a3 \u03bc\u03b9\u03ba\u03c1\u03ce\u03bd \u03b4\u03b9\u03b1\u03c3\u03c4\u03ac\u03c3\u03b5\u03c9\u03bd \u03ba\u03b1\u03b9 \u03bc\u03ac\u03b6\u03b1\u03c2 m \u03b9\u03c3\u03bf\u03c1\u03c1\u03bf\u03c0\u03b5\u03af \u03b4\u03b5\u03bc\u03ad\u03bd\u03bf \u03c3\u03c4\u03bf \u03ba\u03ac\u03c4\u03c9 \u03ac\u03ba\u03c1\u03bf \u03ba\u03b1\u03c4\u03b1\u03ba\u03cc\u03c1\u03c5\u03c6\u03bf\u03c5 \u03b9\u03b4\u03b1\u03bd\u03b9\u03ba\u03bf\u03cd \u03b5\u03bb\u03b1\u03c4\u03b7\u03c1\u03af\u03bf\u03c5 \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ac\u03c2 k, \u03c4\u03bf \u03ac\u03bb\u03bb\u03bf \u03ac\u03ba\u03c1\u03bf \u03c4\u03bf\u03c5 \u03bf\u03c0\u03bf\u03af\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03ba\u03bb\u03cc\u03bd\u03b7\u03c4\u03b1 \u03c3\u03c4\u03b5\u03c1\u03b5\u03c9\u03bc\u03ad\u03bd\u03bf \n\n\u0395\u03ba\u03c4\u03b5\u03bb\u03bf\u03cd\u03bc\u03b5 \u03b4\u03cd\u03bf \u03c0\u03b5\u03b9\u03c1\u03ac\u03bc\u03b1\u03c4\u03b1: \n\u03a0\u03b5\u03af\u03c1\u03b1\u03bc\u03b1 1: \u039c\u03b5\u03c4\u03b1\u03ba\u03b9\u03bd\u03bf\u03cd\u03bc\u03b5 \u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 \u03a3 \u03c3\u03c4\u03b7 \u03b8\u03ad\u03c3\u03b7 \u03c6\u03c5\u03c3\u03b9\u03ba\u03bf\u03cd \u03bc\u03ae\u03ba\u03bf\u03c5\u03c2 (\u03b8.\u03c6.\u03bc.) \u03c4\u03bf\u03c5  \u03b5\u03bb\u03b1\u03c4\u03b7\u03c1\u03af\u03bf\u03c5, \u03c4\u03bf \u03b1\u03c6\u03ae\u03bd\u03bf\u03c5\u03bc\u03b5 \u03b5\u03bb\u03b5\u03cd\u03b8\u03b5\u03c1\u03bf \u03ba\u03b1\u03b9 \u03b1\u03c5\u03c4\u03cc \u03b5\u03ba\u03c4\u03b5\u03bb\u03b5\u03af \u03b1\u03c0\u03bb\u03ae \u03b1\u03c1\u03bc\u03bf\u03bd\u03b9\u03ba\u03ae \u03c4\u03b1\u03bb\u03ac\u03bd\u03c4\u03c9\u03c3\u03b7 \u03bc\u03b5 \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ac \u03b5\u03c0\u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ac\u03c2 D = k \u03ba\u03b1\u03b9 \u03c0\u03bb\u03ac\u03c4\u03bf\u03c2  A_1.\n\n\u03a0\u03b5\u03af\u03c1\u03b1\u03bc\u03b1 2: \u03a3\u03c4\u03b7\u03bd \u03b1\u03c1\u03c7\u03b9\u03ba\u03ae \u03b8\u03ad\u03c3\u03b7 \u03b9\u03c3\u03bf\u03c1\u03c1\u03bf\u03c0\u03af\u03b1\u03c2 (\u03b8.\u03b9.) \u03c4\u03bf\u03c5 \u03c3\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2 \u03a3 \u03b1\u03c3\u03ba\u03b5\u03af\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03b1\u03c5\u03c4\u03cc, \u03c3\u03c5\u03bd\u03b5\u03c7\u03ce\u03c2, \u03ba\u03b1\u03c4\u03b1\u03ba\u03cc\u03c1\u03c5\u03c6\u03b7 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7  \nF \u03bc\u03ad\u03c4\u03c1\u03bf\u03c5 F mg =\u03bc\u03b5 \u03c6\u03bf\u03c1\u03ac \u03c0\u03c1\u03bf\u03c2 \u03c4\u03b1 \u03c0\u03ac\u03bd\u03c9 \u03ba\u03b1\u03b9 \u03c4\u03cc\u03c4\u03b5 \u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 \u03b5\u03ba\u03c4\u03b5\u03bb\u03b5\u03af \u03b1\u03c0\u03bb\u03ae \u03b1\u03c1\u03bc\u03bf\u03bd\u03b9\u03ba\u03ae \u03c4\u03b1\u03bb\u03ac\u03bd\u03c4\u03c9\u03c3\u03b7 \u03bc\u03b5 \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ac \u03b5\u03c0\u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ac\u03c2 D = k \u03ba\u03b1\u03b9 \u03c0\u03bb\u03ac\u03c4\u03bf\u03c2 A_2.\n\n\u0393\u03b9\u03b1 \u03c4\u03b1 \u03c0\u03bb\u03ac\u03c4\u03b7 A_1 \u03ba\u03b1\u03b9 A_2 \u03c4\u03c9\u03bd \u03c0\u03b1\u03c1\u03b1\u03c0\u03ac\u03bd\u03c9 \u03c0\u03b5\u03b9\u03c1\u03b1\u03bc\u03ac\u03c4\u03c9\u03bd, \u03b9\u03c3\u03c7\u03cd\u03b5\u03b9:","options":["A_1=A_2","A_1=(1\/2) A_2","A_1 = 2 A_2","\u039a\u03b1\u03bd\u03ad\u03bd\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b1 \u03c0\u03b1\u03c1\u03b1\u03c0\u03ac\u03bd\u03c9"],"answer":0,"image_png":"physics_2022_b1_q.png","image_information":"essential","image_type":"figure","parallel_question":null},{"language":"el","country":"Greece","file_name":"fusiki_2022.pdf","source":"https:\/\/www.panellinies.net\/%cf%86%cf%85%cf%83%ce%b9%ce%ba%ce%ae-%ce%ba%ce%b1%cf%84%ce%b5%cf%8d%ce%b8%cf%85%ce%bd%cf%83%ce%b7%cf%82\/","license":"open","level":"University entrance exams","category_en":"Physics","category_original_lang":"\u03a6\u03c5\u03c3\u03b9\u03ba\u03ae","original_question_num":"B2","question":"\u0388\u03bd\u03b1 \u03b1\u03bd\u03bf\u03b9\u03c7\u03c4\u03cc \u03b4\u03bf\u03c7\u03b5\u03af\u03bf \u03bc\u03b5\u03b3\u03ac\u03bb\u03bf\u03c5 \u03cc\u03b3\u03ba\u03bf\u03c5 \u03bc\u03b5 \u03ba\u03b1\u03c4\u03b1\u03ba\u03cc\u03c1\u03c5\u03c6\u03b1 \u03c4\u03bf\u03b9\u03c7\u03ce\u03bc\u03b1\u03c4\u03b1 \u03b7\u03c1\u03b5\u03bc\u03b5\u03af  \u03b1\u03ba\u03bb\u03cc\u03bd\u03b7\u03c4\u03bf \u03c0\u03ac\u03bd\u03c9 \u03c3\u03b5 \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03bf \u03b4\u03ac\u03c0\u03b5\u03b4\u03bf. \u03a4\u03bf \u03b4\u03bf\u03c7\u03b5\u03af\u03bf \u03c0\u03b5\u03c1\u03b9\u03ad\u03c7\u03b5\u03b9 \u03bd\u03b5\u03c1\u03cc, \u03c4\u03bf \u03bf\u03c0\u03bf\u03af\u03bf  \u03b8\u03b5\u03c9\u03c1\u03b5\u03af\u03c4\u03b1\u03b9 \u03b9\u03b4\u03b1\u03bd\u03b9\u03ba\u03cc \u03c1\u03b5\u03c5\u03c3\u03c4\u03cc, \u03bc\u03ad\u03c7\u03c1\u03b9 \u03cd\u03c8\u03bf\u03c5\u03c2 \u0397 \u03c0\u03ac\u03bd\u03c9 \u03b1\u03c0\u03cc \u03c4\u03b7 \u03b2\u03ac\u03c3\u03b7 \u03c4\u03bf\u03c5. \u03a4\u03bf \u03b4\u03bf\u03c7\u03b5\u03af\u03bf  \u03ad\u03c7\u03b5\u03b9 \u03c3\u03c4\u03bf \u03c0\u03bb\u03b5\u03c5\u03c1\u03b9\u03ba\u03cc \u03c4\u03bf\u03c5 \u03c4\u03bf\u03af\u03c7\u03c9\u03bc\u03b1 \u03b4\u03cd\u03bf \u03bf\u03c0\u03ad\u03c2 (1) \u03ba\u03b1\u03b9 (2) \u03af\u03b4\u03b9\u03bf\u03c5 \u03b5\u03bc\u03b2\u03b1\u03b4\u03bf\u03cd \u03b4\u03b9\u03b1\u03c4\u03bf \u03bc\u03ae\u03c2  \u0391, \u03c4\u03bf \u03bf\u03c0\u03bf\u03af\u03bf \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03bc\u03b5\u03bb\u03b7\u03c4\u03ad\u03bf \u03c3\u03b5 \u03c3\u03cd\u03b3\u03ba\u03c1\u03b9\u03c3\u03b7 \u03bc\u03b5 \u03c4\u03bf \u03b5\u03bc\u03b2\u03b1\u03b4\u03cc \u03bd \u03c4\u03b7\u03c2 \u03b5\u03bb\u03b5\u03cd\u03b8\u03b5\u03c1\u03b7\u03c2  \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1\u03c2 \u03c4\u03bf\u03c5 \u03bd\u03b5\u03c1\u03bf\u03cd.\n\n\u039f\u03b9 \u03b4\u03cd\u03bf \u03bf\u03c0\u03ad\u03c2 (1) \u03ba\u03b1\u03b9 (2) \u03b2\u03c1\u03af\u03c3\u03ba\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03cd\u03c8\u03b7 5H\/6 \u03ba\u03b1\u03b9 H\/3, \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03bf\u03b9\u03c7\u03b1, \u03b1\u03c0\u03cc \u03c4\u03bf\u03bd \u03c0\u03c5\u03b8\u03bc\u03ad\u03bd\u03b1 \u03c4\u03bf\u03c5 \u03b4\u03bf\u03c7\u03b5\u03af\u03bf\u03c5. \u038c\u03c4\u03b1\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03bd\u03bf\u03b9\u03ba\u03c4\u03ae \u03bc\u03cc\u03bd\u03bf \u03b7 \u03bf\u03c0\u03ae (1), \u03cc\u03b3\u03ba\u03bf\u03c2 \u03c5\u03b3\u03c1\u03bf\u03cd V \u03b5\u03ba\u03c1\u03ad\u03b5\u03b9 \u03b1\u03c0\u03cc \u03c4\u03bf \u03b4\u03bf\u03c7\u03b5\u03af\u03bf \u03c3\u03b5 \u03c7\u03c1\u03bf\u03bd\u03b9\u03ba\u03cc \u03b4\u03b9\u03ac\u03c3\u03c4\u03b7\u03bc\u03b1 \u0394t_1. \u038c\u03c4\u03b1\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03bd\u03bf\u03b9\u03ba\u03c4\u03ad\u03c2 \u03ba\u03b1\u03b9 \u03bf\u03b9 \u03b4\u03cd\u03bf \u03bf\u03c0\u03ad\u03c2 (1) \u03ba\u03b1\u03b9 (2), \u03bf \u03af\u03b4\u03b9\u03bf\u03c2 \u03cc\u03b3\u03ba\u03bf\u03c2 V \u03b5\u03ba\u03c1\u03ad\u03b5\u03b9 \u03c3\u03b5 \u03c7\u03c1\u03bf\u03bd\u03b9\u03ba\u03cc \u03b4\u03b9\u03ac\u03c3\u03c4\u03b7\u03bc\u03b1 \u0394t_2 \n\n\u039f \u03bb\u03cc\u03b3\u03bf\u03c2 \u03c4\u03c9\u03bd \u03c7\u03c1\u03bf\u03bd\u03b9\u03ba\u03ce\u03bd \u03b4\u03b9\u03b1\u03c3\u03c4\u03b7\u03bc\u03ac\u03c4\u03c9\u03bd  \u0394t_2\/ \u0394t_1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03af\u03c3\u03bf\u03c2 \u03bc\u03b5: ","options":["1\/2","1\/3","1\/4","\u039a\u03b1\u03bd\u03ad\u03bd\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b1 \u03c0\u03b1\u03c1\u03b1\u03c0\u03ac\u03bd\u03c9"],"answer":1,"image_png":"physics_2022_b2_q.png","image_information":"essential","image_type":"figure","parallel_question":null},{"language":"el","country":"Greece","file_name":"fusiki_2022.pdf","source":"https:\/\/www.panellinies.net\/%cf%86%cf%85%cf%83%ce%b9%ce%ba%ce%ae-%ce%ba%ce%b1%cf%84%ce%b5%cf%8d%ce%b8%cf%85%ce%bd%cf%83%ce%b7%cf%82\/","license":"open","level":"University entrance exams","category_en":"Physics","category_original_lang":"\u03a6\u03c5\u03c3\u03b9\u03ba\u03ae","original_question_num":"B3","question":"\u03a3\u03c6\u03b1\u03af\u03c1\u03b1 \u03bc\u03ac\u03b6\u03b1\u03c2 m1 \u03ba\u03b9\u03bd\u03b5\u03af\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03bf\u03c1\u03bc\u03ae \u03bc\u03ad\u03c4\u03c1\u03bf\u03c5 p1 \u03ba\u03b1\u03b9 \u03c3\u03c5\u03b3\u03ba\u03c1\u03bf\u03cd\u03b5\u03c4\u03b1\u03b9, \u03ba\u03b5\u03bd\u03c4\u03c1\u03b9\u03ba\u03ac \u03ba\u03b1\u03b9 \u03b5\u03bb\u03b1\u03c3\u03c4\u03b9\u03ba\u03ac, \u03bc\u03b5 \u03b1\u03ba\u03af\u03bd\u03b7\u03c4\u03b7 \u03c3\u03c6\u03b1\u03af\u03c1\u03b1 \u03bc\u03ac\u03b6\u03b1\u03c2 m2, \u03cc\u03c0\u03c9\u03c2 \u03c6\u03b1\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf \u03a3\u03c7\u03ae\u03bc\u03b1 3. \u0397 \u03b3\u03c1\u03b1\u03c6\u03b9\u03ba\u03ae \u03c0\u03b1\u03c1\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03bf\u03c1\u03bc\u03ae\u03c2 \u03c4\u03b7\u03c2 \u03c3\u03c6\u03b1\u03af\u03c1\u03b1\u03c2 m1 \u03c6\u03b1\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf \u03a3\u03c7\u03ae\u03bc\u03b1 4.\n\n\u03a4\u03bf \u03c0\u03bf\u03c3\u03bf\u03c3\u03c4\u03cc \u03c4\u03b7\u03c2 \u03ba\u03b9\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae\u03c2 \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1\u03c2 \u03c0\u03bf\u03c5 \u03bc\u03b5\u03c4\u03b1\u03b2\u03b9\u03b2\u03ac\u03c3\u03c4\u03b7\u03ba\u03b5 \u03b1\u03c0\u03cc \u03c4\u03b7 \u03c3\u03c6\u03b1\u03af\u03c1\u03b1 \u03bc\u03ac\u03b6\u03b1\u03c2 m1 \u03c3\u03c4\u03b7 \u03c3\u03c6\u03b1\u03af\u03c1\u03b1 \u03bc\u03ac\u03b6\u03b1\u03c2 m2 \u03ba\u03b1\u03c4\u03ac \u03c4\u03b7\u03bd \u03ba\u03c1\u03bf\u03cd\u03c3\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 \u03af\u03c3\u03bf \u03bc\u03b5:","options":["64%","80%","96%","\u039a\u03b1\u03bd\u03ad\u03bd\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b1 \u03c0\u03b1\u03c1\u03b1\u03c0\u03ac\u03bd\u03c9"],"answer":2,"image_png":"physics_2022_b3_q.png","image_information":"essential","image_type":"figure","parallel_question":null},{"language":"el","country":"Greece","file_name":"fusiki_2021.pdf","source":"https:\/\/www.panellinies.net\/%cf%86%cf%85%cf%83%ce%b9%ce%ba%ce%ae-%ce%ba%ce%b1%cf%84%ce%b5%cf%8d%ce%b8%cf%85%ce%bd%cf%83%ce%b7%cf%82\/","license":"open","level":"University entrance exams","category_en":"Physics","category_original_lang":"\u03a6\u03c5\u03c3\u03b9\u03ba\u03ae","original_question_num":"B1","question":"\u039b\u03b5\u03c0\u03c4\u03ae \u03bf\u03bc\u03bf\u03b3\u03b5\u03bd\u03ae\u03c2 \u03c3\u03ba\u03ac\u03bb\u03b1 \u03b2\u03ac\u03c1\u03bf\u03c5\u03c2 w \u0399\u03c3\u03bf\u03c1\u03c1\u03bf\u03c0\u03b5\u03af, \u03b1\u03ba\u03bf\u03c5\u03bc\u03c0\u03ce\u03bd\u03c4\u03b1\u03c2 \u03c3\u03b5 \u03bb\u03b5\u03af\u03bf \u03ba\u03b1\u03c4\u03b1\u03ba\u03cc\u03c1\u03c5\u03c6\u03bf \u03c4\u03bf\u03af\u03c7\u03bf \u03ba\u03b1\u03b9 \u03c4\u03c1\u03b1\u03c7\u03cd \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03bf \u03b4\u03ac\u03c0\u03b5\u03b4\u03bf, \u03cc\u03c0\u03c9\u03c2 \u03c3\u03c4\u03bf \u03c3\u03c7\u03ae\u03bc\u03b1 1. \u0395\u03ac\u03bd \u03bc \u03bf \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae\u03c2 \u03bf\u03c1\u03b9\u03b1\u03ba\u03ae\u03c2 \u03c3\u03c4\u03b1\u03c4\u03b9\u03ba\u03ae\u03c2 \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2 \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c3\u03ba\u03ac\u03bb\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03bf\u03c1\u03b9\u03b6\u03bf\u03bd\u03c4\u03af\u03bf\u03c5 \u03b4\u03b1\u03c0\u03ad\u03b4\u03bf\u03c5, \u03c4\u03cc\u03c4\u03b5 \u03b7 \u03b5\u03bb\u03ac\u03c7\u03b9\u03c3\u03c4\u03b7 \u03c4\u03b9\u03bc\u03ae \u03c4\u03b7\u03c2 \u03b5\u03c6\u03b1\u03c0\u03c4\u03bf\u03bc\u03ad\u03bd\u03b7\u03c2 \u03c4\u03b7\u03c2 \u03b3\u03c9\u03bd\u03af\u03b1\u03c2 \u03c6, \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03bf\u03c0\u03bf\u03af\u03b1 \u03b7 \u03c3\u03ba\u03ac\u03bb\u03b1 \u03b9\u03c3\u03bf\u03c1\u03c1\u03bf\u03c0\u03b5\u03af, \u03b5\u03af\u03bd\u03b1\u03b9 \u03af\u03c3\u03b7 \u03bc\u03b5","options":["\u03b5\u03c6\u03c6 = 1\/\u03bc","\u03b5\u03c6\u03c6 = 1\/(2\u03bc)","\u03b5\u03c6\u03c6 = 3\/(2\u03bc)","\u039a\u03b1\u03bd\u03ad\u03bd\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b1 \u03c0\u03b1\u03c1\u03b1\u03c0\u03ac\u03bd\u03c9"],"answer":1,"image_png":"physics_2021_b1_q.png","image_information":"essential","image_type":"graph","parallel_question":null},{"language":"el","country":"Greece","file_name":"fusiki_2021.pdf","source":"https:\/\/www.panellinies.net\/%cf%86%cf%85%cf%83%ce%b9%ce%ba%ce%ae-%ce%ba%ce%b1%cf%84%ce%b5%cf%8d%ce%b8%cf%85%ce%bd%cf%83%ce%b7%cf%82\/","license":"open","level":"University entrance exams","category_en":"Physics","category_original_lang":"\u03a6\u03c5\u03c3\u03b9\u03ba\u03ae","original_question_num":"B2","question":"\u0399\u03b4\u03b1\u03bd\u03b9\u03ba\u03cc \u03c1\u03b5\u03c5\u03c3\u03c4\u03cc \u03c0\u03c5\u03ba\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03c1 \u03c1\u03ad\u03b5\u03b9 \u03b1\u03c0\u03cc \u03b4\u03b5\u03be\u03b1\u03bc\u03b5\u03bd\u03ae (\u0394) \u03bc\u03b5\u03b3\u03ac\u03bb\u03b7\u03c2 \u03b4\u03b9\u03b1\u03c4\u03bf\u03bc\u03ae\u03c2 \u03bc\u03ad\u03c3\u03c9 \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03bf\u03c5 \u03bb\u03b5\u03c0\u03c4\u03bf\u03cd \u03c3\u03c9\u03bb\u03ae\u03bd\u03b1, \u03c4\u03bf\u03c5 \u03bf\u03c0\u03bf\u03af\u03bf\u03c5 \u03c4\u03bf \u03b5\u03bc\u03b2\u03b1\u03b4\u03cc \u03bd \u03b4\u03b9\u03b1\u03c4\u03bf\u03bc\u03ae\u03c2 \u03b5\u03bb\u03b1\u03c4\u03c4\u03ce\u03bd\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf \u03bc\u03b9\u03c3\u03cc \u03c3\u03c4\u03bf \u03c3\u03b7\u03bc\u03b5\u03af\u03bf (2) \u03cc\u03c0\u03bf\u03c5 \u03c4\u03bf \u03c1\u03b5\u03c5\u03c3\u03c4\u03cc \u03b5\u03be\u03ad\u03c1\u03c7\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b7\u03bd \u03b1\u03c4\u03bc\u03cc\u03c3\u03c6\u03b1\u03b9\u03c1\u03b1. \u039b\u03b5\u03c0\u03c4\u03cc\u03c2 \u03ba\u03b1\u03c4\u03b1\u03ba\u03cc\u03c1\u03c5\u03c6\u03bf\u03c2 \u03c3\u03c9\u03bb\u03ae\u03bd\u03b1\u03c2 \u03b5\u03bc\u03b2\u03b1\u03b4\u03bf\u03cd \u03b4\u03b9\u03b1\u03c4\u03bf\u03bc\u03ae\u03c2 \u0391 \u03c0\u03c1\u03bf\u03c3\u03b1\u03c1\u03bc\u03cc\u03b6\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf \u03c3\u03b7\u03bc\u03b5\u03af\u03bf (1), \u03cc\u03c0\u03c9\u03c2 \u03c6\u03b1\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf \u03c3\u03c7\u03ae\u03bc\u03b1 2 \u03c3\u03c4\u03b7\u03bd \u03b5\u03bb\u03b5\u03cd\u03b8\u03b5\u03c1\u03b7 \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1 \u03c4\u03bf\u03c5 \u03bf\u03c0\u03bf\u03af\u03bf\u03c5 \u03c0\u03c1\u03bf\u03c3\u03b1\u03c1\u03bc\u03cc\u03b6\u03b5\u03c4\u03b1\u03b9 \u03ad\u03bc\u03b2\u03bf\u03bb\u03bf \u03b2\u03ac\u03c1\u03bf\u03c5\u03c2 w \u03c0\u03bf\u03c5 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03ba\u03b9\u03bd\u03b5\u03af\u03c4\u03b1\u03b9 \u03c7\u03c9\u03c1\u03af\u03c2 \u03c4\u03c1\u03b9\u03b2\u03ad\u03c2 \u03ba\u03b1\u03b9 \u03ad\u03c7\u03b5\u03b9 \u03b5\u03c0\u03af\u03c3\u03b7\u03c2 \u03b5\u03bc\u03b2\u03b1\u03b4\u03cc \u03bd \u0391. \u0395\u03ac\u03bd \u03c4\u03bf \u03cd\u03c8\u03bf\u03c2 \u03c4\u03bf\u03c5 \u03c1\u03b5\u03c5\u03c3\u03c4\u03bf\u03cd \u03c3\u03c4\u03b7 \u03b4\u03b5\u03be\u03b1\u03bc\u03b5\u03bd\u03ae \u03b5\u03af\u03bd\u03b1\u03b9 H \u03ba\u03b1\u03b9 \u03c3\u03c4\u03bf \u03bb\u03b5\u03c0\u03c4\u03cc \u03ba\u03b1\u03c4\u03b1\u03ba\u03cc\u03c1\u03c5\u03c6\u03bf \u03c3\u03c9\u03bb\u03ae\u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 h = H\/4, \u03c4\u03cc\u03c4\u03b5 \u03c4\u03bf \u03b2\u03ac\u03c1\u03bf\u03c2 \u03c4\u03bf\u03c5 \u03b5\u03bc\u03b2\u03cc\u03bb\u03bf\u03c5 \u03b9\u03c3\u03bf\u03cd\u03c4\u03b1\u03b9 \u03bc\u03b5","options":["w = (\u03c1gHA)\/2","w = (\u03c1gHA)\/4","w = (\u03c1gHA)\/3","\u039a\u03b1\u03bd\u03ad\u03bd\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b1 \u03c0\u03b1\u03c1\u03b1\u03c0\u03ac\u03bd\u03c9"],"answer":0,"image_png":"physics_2021_b2_q.png","image_information":"essential","image_type":"figure","parallel_question":null},{"language":"el","country":"Greece","file_name":"fusiki_2021.pdf","source":"https:\/\/www.panellinies.net\/%cf%86%cf%85%cf%83%ce%b9%ce%ba%ce%ae-%ce%ba%ce%b1%cf%84%ce%b5%cf%8d%ce%b8%cf%85%ce%bd%cf%83%ce%b7%cf%82\/","license":"open","level":"University entrance exams","category_en":"Physics","category_original_lang":"\u03a6\u03c5\u03c3\u03b9\u03ba\u03ae","original_question_num":"B3","question":"\u03a3\u03b5 \u03bb\u03b5\u03af\u03bf \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03bf \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf \u03c3\u03c6\u03b1\u03af\u03c1\u03b1 \u03a3_1 \u03bc\u03ac\u03b6\u03b1\u03c2 m_1=m \u03c0\u03bf\u03c5 \u03ba\u03b9\u03bd\u03b5\u03af\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 \u03c5_1, \u03c3\u03c5\u03b3\u03ba\u03c1\u03bf\u03cd\u03b5\u03c4\u03b1\u03b9 \u03b5\u03bb\u03b1\u03c3\u03c4\u03b9\u03ba\u03ac, \u03b1\u03bb\u03bb\u03ac \u03cc\u03c7\u03b9 \u03ba\u03b5\u03bd\u03c4\u03c1\u03b9\u03ba\u03ac, \u03bc\u03b5 \u03b4\u03b5\u03cd\u03c4\u03b5\u03c1\u03b7 \u03c3\u03c6\u03b1\u03af\u03c1\u03b1 \u03a3_2 \u03bc\u03ac\u03b6\u03b1\u03c2 m_2=2m, \u03b7 \u03bf\u03c0\u03bf\u03af\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03c1\u03c7\u03b9\u03ba\u03ac \u03b1\u03ba\u03af\u03bd\u03b7\u03c4\u03b7. \u0391\u03bc\u03ad\u03c3\u03c9\u03c2 \u03bc\u03b5\u03c4\u03ac \u03c4\u03b7\u03bd \u03ba\u03c1\u03bf\u03cd\u03c3\u03b7, \u03b7 \u03c3\u03c6\u03b1\u03af\u03c1\u03b1 \u03a3_1 \u03ba\u03b9\u03bd\u03b5\u03af\u03c4\u03b1\u03b9 \u03ba\u03ac\u03b8\u03b5\u03c4\u03b1 \u03c3\u03c4\u03b7\u03bd \u03b1\u03c1\u03c7\u03b9\u03ba\u03ae \u03c4\u03b7\u03c2 \u03b4\u03b9\u03b5\u03cd\u03b8\u03c5\u03bd\u03c3\u03b7 \u03bc\u03b5 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 \u03c5\u2019_1 \u03ba\u03b1\u03b9 \u03b7 \u03c3\u03c6\u03b1\u03af\u03c1\u03b1 \u03a3_2 \u03ba\u03b9\u03bd\u03b5\u03af\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 \u03c5\u2019_2 \u03c3\u03b5 \u03b4\u03b9\u03b5\u03cd\u03b8\u03c5\u03bd\u03c3\u03b7 \u03c0\u03bf\u03c5 \u03c3\u03c7\u03b7\u03bc\u03b1\u03c4\u03af\u03b6\u03b5\u03b9 \u03b3\u03c9\u03bd\u03af\u03b1 30 \u03bc\u03bf\u03af\u03c1\u03b5\u03c2 \u03bc\u03b5 \u03c4\u03b7\u03bd \u03b1\u03c1\u03c7\u03b9\u03ba\u03ae \u03b4\u03b9\u03b5\u03cd\u03b8\u03c5\u03bd\u03c3\u03b7 \u03ba\u03af\u03bd\u03b7\u03c3\u03b7\u03c2 \u03c4\u03b7\u03c2 \u03c3\u03c6\u03b1\u03af\u03c1\u03b1\u03c2 \u03a3_1. \u03a3\u03c4\u03b7 \u03c3\u03c5\u03bd\u03ad\u03c7\u03b5\u03b9\u03b1, \u03b7 \u03c3\u03c6\u03b1\u03af\u03c1\u03b1 \u03a3_1 \u03c3\u03c5\u03b3\u03ba\u03c1\u03bf\u03cd\u03b5\u03c4\u03b1\u03b9 \u03ba\u03b5\u03bd\u03c4\u03c1\u03b9\u03ba\u03ac \u03ba\u03b1\u03b9 \u03c0\u03bb\u03b1\u03c3\u03c4\u03b9\u03ba\u03ac \u03bc\u03b5 \u03b1\u03ba\u03af\u03bd\u03b7\u03c4\u03b7 \u03c3\u03c6\u03b1\u03af\u03c1\u03b1 \u03a3_3 \u03bc\u03ac\u03b6\u03b1\u03c2 m3=m \u03c0\u03bf\u03c5 \u03b2\u03c1\u03af\u03c3\u03ba\u03b5\u03c4\u03b1\u03b9 \u03b1\u03ba\u03af\u03bd\u03b7\u03c4\u03b7 \u03c3\u03c4\u03bf \u03af\u03b4\u03b9\u03bf \u03bb\u03b5\u03af\u03bf \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03bf \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf, \u03cc\u03c0\u03c9\u03c2 \u03c6\u03b1\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03ba\u03ac\u03c4\u03bf\u03c8\u03b7 \u03c3\u03c4\u03bf \u03c3\u03c7\u03ae\u03bc\u03b1 3.\n\n\u039f \u03bb\u03cc\u03b3\u03bf\u03c2 \u03c4\u03b7\u03c2 \u03c4\u03b5\u03bb\u03b9\u03ba\u03ae\u03c2 \u03ba\u03b9\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae\u03c2 \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1\u03c2 \u03c4\u03bf\u03c5 \u03c3\u03c5\u03c3\u03c3\u03c9\u03bc\u03b1\u03c4\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2 \u03c4\u03c9\u03bd \u03c3\u03c6\u03b1\u03b9\u03c1\u03ce\u03bd \u03a3_1 \u03ba\u03b1\u03b9 \u03a3_3 \u03c0\u03c1\u03bf\u03c2 \u03c4\u03b7\u03bd \u03b1\u03c1\u03c7\u03b9\u03ba\u03ae \u03ba\u03b9\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1 \u03c4\u03b7\u03c2 \u03c3\u03c6\u03b1\u03af\u03c1\u03b1\u03c2 \u03a3_1, \u03c0\u03c1\u03b9\u03bd \u03c4\u03b7\u03bd \u03ba\u03c1\u03bf\u03cd\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03bc\u03b5 \u03c4\u03b7 \u03c3\u03c6\u03b1\u03af\u03c1\u03b1 \u03a3_2, \u03b5\u03af\u03bd\u03b1\u03b9 \u03af\u03c3\u03bf\u03c2 \u03bc\u03b5:\n\n\u039d\u03b1 \u03b8\u03b5\u03c9\u03c1\u03ae\u03c3\u03b5\u03c4\u03b5 \u03cc\u03c4\u03b9:\n- \u03cc\u03bb\u03b5\u03c2 \u03bf\u03b9 \u03c3\u03c6\u03b1\u03af\u03c1\u03b5\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03b9\u03ba\u03c1\u03ce\u03bd \u03b4\u03b9\u03b1\u03c3\u03c4\u03ac\u03c3\u03b5\u03c9\u03bd,\n- \u03cc\u03bb\u03b5\u03c2 \u03bf\u03b9 \u03ba\u03c1\u03bf\u03cd\u03c3\u03b5\u03b9\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03ba\u03b1\u03c1\u03b9\u03b1\u03af\u03b5\u03c2,\n- \u03c4\u03b1 \u03c3\u03ce\u03bc\u03b1\u03c4\u03b1 \u03b4\u03b5\u03bd \u03b1\u03bd\u03b1\u03c0\u03b7\u03b4\u03bf\u03cd\u03bd \u03ba\u03b1\u03c4\u03ac \u03c4\u03b7\u03bd \u03ba\u03c1\u03bf\u03cd\u03c3\u03b7,\n- \u03ba\u03b1\u03c4\u03ac \u03c4\u03b9\u03c2 \u03ba\u03c1\u03bf\u03cd\u03c3\u03b5\u03b9\u03c2, \u03b4\u03b5\u03bd \u03ad\u03c7\u03bf\u03c5\u03bc\u03b5 \u03b1\u03c0\u03ce\u03bb\u03b5\u03b9\u03b1 \u03bc\u03ac\u03b6\u03b1\u03c2.","options":["1\/2","1\/3","1\/6","\u039a\u03b1\u03bd\u03ad\u03bd\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b1 \u03c0\u03b1\u03c1\u03b1\u03c0\u03ac\u03bd\u03c9"],"answer":2,"image_png":"physics_2021_b3_q.png","image_information":"essential","image_type":"figure","parallel_question":null},{"language":"el","country":"Greece","file_name":"fusiki_2020.pdf","source":"https:\/\/www.panellinies.net\/%cf%86%cf%85%cf%83%ce%b9%ce%ba%ce%ae-%ce%ba%ce%b1%cf%84%ce%b5%cf%8d%ce%b8%cf%85%ce%bd%cf%83%ce%b7%cf%82\/","license":"open","level":"University entrance exams","category_en":"Physics","category_original_lang":"\u03a6\u03c5\u03c3\u03b9\u03ba\u03ae","original_question_num":"\u03913","question":"\u0399\u03b4\u03b1\u03bd\u03b9\u03ba\u03cc \u03c1\u03b5\u03c5\u03c3\u03c4\u03cc \u03c1\u03ad\u03b5\u03b9 \u03c3\u03b5 \u03c3\u03c9\u03bb\u03ae\u03bd\u03b1 \u03c0\u03bf\u03c5 \u03b2\u03c1\u03af\u03c3\u03ba\u03b5\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03bf \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf. \u03a3\u03c4\u03bf \u03c3\u03c7\u03ae\u03bc\u03b1 1 \u03b1\u03c0\u03b5\u03b9\u03ba\u03bf\u03bd\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03c4\u03bc\u03ae\u03bc\u03b1 \u03c4\u03bf\u03c5 \u03c3\u03c9\u03bb\u03ae\u03bd\u03b1, \u03ba\u03b1\u03b9 \u03c4\u03bf \u03b9\u03b4\u03b1\u03bd\u03b9\u03ba\u03cc \u03c1\u03b5\u03c5\u03c3\u03c4\u03cc \u03c1\u03ad\u03b5\u03b9 \u03b1\u03c0\u03cc \u03c4\u03b7 \u03b8\u03ad\u03c3\u03b7 (1) \u03c0\u03c1\u03bf\u03c2 \u03c4\u03b7 \u03b8\u03ad\u03c3\u03b7 (2). \u0393\u03b9\u03b1 \u03c4\u03b9\u03c2 \u03c0\u03b9\u03ad\u03c3\u03b5\u03b9\u03c2 \u03a11 \u03ba\u03b1\u03b9 \u03a12 \u03c3\u03c4\u03b9\u03c2 \u03b4\u03cd\u03bf \u03b1\u03c5\u03c4\u03ad\u03c2 \u03b8\u03ad\u03c3\u03b5\u03b9\u03c2 \u03c4\u03bf\u03c5 \u03c3\u03c9\u03bb\u03ae\u03bd\u03b1 \u03b9\u03c3\u03c7\u03cd\u03b5\u03b9 \u03cc\u03c4\u03b9","options":["\u03a11 < \u03a12","\u03a11 = \u03a12","\u03a11 > \u03a12","\u03b1\u03b4\u03c5\u03bd\u03b1\u03c4\u03bf\u03cd\u03bc\u03b5 \u03bd\u03b1 \u03c4\u03b9\u03c2 \u03c3\u03c5\u03b3\u03ba\u03c1\u03af\u03bd\u03bf\u03c5\u03bc\u03b5."],"answer":2,"image_png":"physics_2020_a3_q.png","image_information":"essential","image_type":"figure","parallel_question":null},{"language":"el","country":"Greece","file_name":"fusiki_2020.pdf","source":"https:\/\/www.panellinies.net\/%cf%86%cf%85%cf%83%ce%b9%ce%ba%ce%ae-%ce%ba%ce%b1%cf%84%ce%b5%cf%8d%ce%b8%cf%85%ce%bd%cf%83%ce%b7%cf%82\/","license":"open","level":"University entrance exams","category_en":"Physics","category_original_lang":"\u03a6\u03c5\u03c3\u03b9\u03ba\u03ae","original_question_num":"\u03921","question":"\u03a4\u03c1\u03bf\u03c7\u03cc\u03c2 \u03b1\u03ba\u03c4\u03af\u03bd\u03b1\u03c2 R \u03ba\u03c5\u03bb\u03af\u03b5\u03c4\u03b1\u03b9 \u03c7\u03c9\u03c1\u03af\u03c2 \u03bd\u03b1 \u03bf\u03bb\u03b9\u03c3\u03b8\u03b1\u03af\u03bd\u03b5\u03b9 \u03c3\u03b5 \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03bf \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf. \u039a\u03ac\u03c0\u03bf\u03b9\u03b1 \u03c7\u03c1\u03bf\u03bd\u03b9\u03ba\u03ae \u03c3\u03c4\u03b9\u03b3\u03bc\u03ae \u03c4\u03bf \u03ba\u03ad\u03bd\u03c4\u03c1\u03bf \u03bc\u03ac\u03b6\u03b1\u03c2 \u03c4\u03bf\u03c5 \u03c4\u03c1\u03bf\u03c7\u03bf\u03cd \u03ad\u03c7\u03b5\u03b9 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 \u03bc\u03ad\u03c4\u03c1\u03bf\u03c5 \u03c5_{cm}. \u0388\u03c3\u03c4\u03c9 \u0391 \u03c4\u03bf \u03b1\u03bd\u03ce\u03c4\u03b5\u03c1\u03bf \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u03c4\u03b7\u03c2 \u03c0\u03b5\u03c1\u03b9\u03c6\u03ad\u03c1\u03b5\u03b9\u03b1\u03c2 \u03c4\u03bf\u03c5 \u03c4\u03c1\u03bf\u03c7\u03bf\u03cd \u03ba\u03b1\u03b9 \u0393 \u03ad\u03bd\u03b1 \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u03c4\u03bf\u03c5 \u03c4\u03c1\u03bf\u03c7\u03bf\u03cd \u03c0\u03bf\u03c5 \u03b2\u03c1\u03af\u03c3\u03ba\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b7\u03bd \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03b1 \u03b4\u03b9\u03ac\u03bc\u03b5\u03c4\u03c1\u03bf \u03ba\u03b1\u03b9 \u03b1\u03c0\u03ad\u03c7\u03b5\u03b9 \u03b1\u03c0\u03cc\u03c3\u03c4\u03b1\u03c3\u03b7 \u0393\u039a = R\/2 \u03b1\u03c0\u03cc \u03c4\u03bf \u03ba\u03ad\u03bd\u03c4\u03c1\u03bf \u039a \u03c4\u03bf\u03c5 \u03c4\u03c1\u03bf\u03c7\u03bf\u03cd, \u03cc\u03c0\u03c9\u03c2 \u03c6\u03b1\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf \u03c3\u03c7\u03ae\u03bc\u03b1.\n\n\u039f \u03bb\u03cc\u03b3\u03bf\u03c2 \u03c5_\u0393\/\u03c5_\u0391 \u03c4\u03c9\u03bd \u03bc\u03ad\u03c4\u03c1\u03c9\u03bd \u03c4\u03c9\u03bd \u03c4\u03b1\u03c7\u03c5\u03c4\u03ae\u03c4\u03c9\u03bd \u03c4\u03c9\u03bd \u03c3\u03b7\u03bc\u03b5\u03af\u03c9\u03bd \u0393 \u03ba\u03b1\u03b9 \u0391 \u03b5\u03af\u03bd\u03b1\u03b9 \u03af\u03c3\u03bf\u03c2 \u03bc\u03b5","options":["1\/4","sqrt{3}\/4","sqrt{5}\/4","\u039a\u03b1\u03bd\u03ad\u03bd\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b1 \u03c0\u03b1\u03c1\u03b1\u03c0\u03ac\u03bd\u03c9"],"answer":2,"image_png":"physics_2020_b1_q.png","image_information":"essential","image_type":"figure","parallel_question":null},{"language":"el","country":"Greece","file_name":"fusiki_2020.pdf","source":"https:\/\/www.panellinies.net\/%cf%86%cf%85%cf%83%ce%b9%ce%ba%ce%ae-%ce%ba%ce%b1%cf%84%ce%b5%cf%8d%ce%b8%cf%85%ce%bd%cf%83%ce%b7%cf%82\/","license":"open","level":"University entrance exams","category_en":"Physics","category_original_lang":"\u03a6\u03c5\u03c3\u03b9\u03ba\u03ae","original_question_num":"\u03923","question":"\u03a3\u03c4\u03bf \u03c3\u03c7\u03ae\u03bc\u03b1 3, \u03c3\u03c4\u03bf \u03b1\u03bd\u03bf\u03b9\u03c7\u03c4\u03cc \u03b4\u03bf\u03c7\u03b5\u03af\u03bf \u03bc\u03b5\u03b3\u03ac\u03bb\u03bf\u03c5 \u03cc\u03b3\u03ba\u03bf\u03c5 \u03bc\u03b5 \u03ba\u03b1\u03c4\u03b1\u03ba\u03cc\u03c1\u03c5\u03c6\u03b1 \u03c4\u03bf\u03b9\u03c7\u03ce\u03bc\u03b1\u03c4\u03b1, \u03c0\u03ad\u03c6\u03c4\u03b5\u03b9 \u03c3\u03c5\u03bd\u03ad\u03c7\u03b5\u03b9\u03b1 \u03bd\u03b5\u03c1\u03cc, \u03c4\u03bf \u03bf\u03c0\u03bf\u03af\u03bf \u03b8\u03b5\u03c9\u03c1\u03b5\u03af\u03c4\u03b1\u03b9 \u03b9\u03b4\u03b1\u03bd\u03b9\u03ba\u03cc \u03c1\u03b5\u03c5\u03c3\u03c4\u03cc, \u03b1\u03c0\u03cc \u03bc\u03b9\u03b1 \u03b2\u03c1\u03cd\u03c3\u03b7 \u0392 \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ae\u03c2 \u03c0\u03b1\u03c1\u03bf\u03c7\u03ae\u03c2 \u03a0. \u03a4\u03bf \u03b4\u03bf\u03c7\u03b5\u03af\u03bf \u03b2\u03c1\u03af\u03c3\u03ba\u03b5\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03bf \u03ad\u03b4\u03b1\u03c6\u03bf\u03c2 \u03ba\u03b1\u03b9 \u03b4\u03b5 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b3\u03b5\u03bc\u03af\u03c3\u03b5\u03b9, \u03b3\u03b9\u03b1\u03c4\u03af \u03b5\u03be\u03ad\u03c1\u03c7\u03b5\u03c4\u03b1\u03b9 \u03bd\u03b5\u03c1\u03cc \u03b1\u03c0\u03cc \u03bc\u03af\u03b1 \u03bf\u03c0\u03ae \u039f, \u03c0\u03bf\u03c5 \u03b2\u03c1\u03af\u03c3\u03ba\u03b5\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03ad\u03bd\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b1 \u03ba\u03b1\u03c4\u03b1\u03ba\u03cc\u03c1\u03c5\u03c6\u03b1 \u03c4\u03bf\u03b9\u03c7\u03ce\u03bc\u03b1\u03c4\u03b1 \u03c4\u03bf\u03c5 \u03b4\u03bf\u03c7\u03b5\u03af\u03bf\u03c5. \u0397 \u03bf\u03c0\u03ae \u03b2\u03c1\u03af\u03c3\u03ba\u03b5\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03cd\u03c8\u03bf\u03c2 h_1 \u03b1\u03c0\u03cc \u03c4\u03b7 \u03b2\u03ac\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03b4\u03bf\u03c7\u03b5\u03af\u03bf\u03c5, \u03ba\u03b1\u03b9 \u03c4\u03bf \u03b5\u03bc\u03b2\u03b1\u03b4\u03cc\u03bd \u03b4\u03b9\u03b1\u03c4\u03bf\u03bc\u03ae\u03c2 \u03c4\u03b7\u03c2 \u0391 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03bf\u03bb\u03cd \u03bc\u03b9\u03ba\u03c1\u03cc\u03c4\u03b5\u03c1\u03bf \u03b1\u03c0\u03cc \u03c4\u03bf \u03b5\u03bc\u03b2\u03b1\u03b4\u03cc\u03bd \u03c4\u03b7\u03c2 \u03b5\u03bb\u03b5\u03cd\u03b8\u03b5\u03c1\u03b7\u03c2 \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1\u03c2 \u03c4\u03bf\u03c5 \u03bd\u03b5\u03c1\u03bf\u03cd.\n\n\u0397 \u03b5\u03bb\u03b5\u03cd\u03b8\u03b5\u03c1\u03b7 \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1 \u03c4\u03bf\u03c5 \u03bd\u03b5\u03c1\u03bf\u03cd \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03bf\u03c0\u03bf\u03b9\u03b5\u03af\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03cd\u03c8\u03bf\u03c2 H \u03b1\u03c0\u03cc \u03c4\u03b7 \u03b2\u03ac\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03b4\u03bf\u03c7\u03b5\u03af\u03bf\u03c5. \u0397 \u03bb\u03b5\u03c0\u03c4\u03ae \u03c6\u03bb\u03ad\u03b2\u03b1 \u03bd\u03b5\u03c1\u03bf\u03cd \u03c0\u03bf\u03c5 \u03b5\u03be\u03ad\u03c1\u03c7\u03b5\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03bf\u03c0\u03ae \u03c0\u03ad\u03c6\u03c4\u03b5\u03b9 \u03c3\u03c4\u03bf \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03bf \u03ad\u03b4\u03b1\u03c6\u03bf\u03c2 \u03c3\u03b5 \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u0394, \u03c4\u03bf \u03bf\u03c0\u03bf\u03af\u03bf \u03b1\u03c0\u03ad\u03c7\u03b5\u03b9 \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03b1 \u03b1\u03c0\u03cc\u03c3\u03c4\u03b1\u03c3\u03b7 (\u0393\u0394)=S \u03b1\u03c0\u03cc \u03c4\u03b7 \u03b2\u03ac\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03b4\u03bf\u03c7\u03b5\u03af\u03bf\u03c5. \u03a3\u03b5 \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u0395 \u03c4\u03bf\u03c5 \u03b9\u03b4\u03af\u03bf\u03c5 \u03ba\u03b1\u03c4\u03b1\u03ba\u03cc\u03c1\u03c5\u03c6\u03bf\u03c5 \u03c4\u03bf\u03b9\u03c7\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2 \u03bc\u03b5 \u03c4\u03b7\u03bd \u03bf\u03c0\u03ae, \u03ba\u03b1\u03b9 \u03c3\u03c4\u03b7\u03bd \u03af\u03b4\u03b9\u03b1 \u03ba\u03b1\u03c4\u03b1\u03ba\u03cc\u03c1\u03c5\u03c6\u03bf, \u03ad\u03c7\u03bf\u03c5\u03bc\u03b5 \u03c3\u03c4\u03b7\u03c1\u03af\u03be\u03b5\u03b9 \u03bb\u03b5\u03c0\u03c4\u03ae \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03b1 \u03c1\u03ac\u03b2\u03b4\u03bf \u0395\u0396 \u03bc\u03ae\u03ba\u03bf\u03c5\u03c2 (\u0395\u0396)=S\/2. \u03a4\u03bf \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u0395 \u03b2\u03c1\u03af\u03c3\u03ba\u03b5\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03cd\u03c8\u03bf\u03c2 h_2 = (21H)\/32. \u0391\u03bd \u03b7 \u03bb\u03b5\u03c0\u03c4\u03ae \u03c6\u03bb\u03ad\u03b2\u03b1 \u03c4\u03bf\u03c5 \u03bd\u03b5\u03c1\u03bf\u03cd \u03b4\u03b9\u03ad\u03c1\u03c7\u03b5\u03c4\u03b1\u03b9 \u03bf\u03c1\u03b9\u03b1\u03ba\u03ac \u03b1\u03c0\u03cc \u03c4\u03bf \u03ac\u03ba\u03c1\u03bf \u0396 \u03c4\u03b7\u03c2 \u03c1\u03ac\u03b2\u03b4\u03bf\u03c5, \u03c4\u03cc\u03c4\u03b5 \u03b7 \u03c0\u03b1\u03c1\u03bf\u03c7\u03ae \u03a0 \u03c4\u03b7\u03c2 \u03b2\u03c1\u03cd\u03c3\u03b7\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9","options":["\u03a0 = A\/2 sqrt{gH}","\u03a0 = 2A sqrt{gH}","\u03a0 = A sqrt{2 gH}","\u039a\u03b1\u03bd\u03ad\u03bd\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b1 \u03c0\u03b1\u03c1\u03b1\u03c0\u03ac\u03bd\u03c9"],"answer":0,"image_png":"physics_2020_b3_q.png","image_information":"essential","image_type":"figure","parallel_question":null},{"language":"el","country":"Greece","file_name":"fusiki_2019.pdf","source":"https:\/\/www.panellinies.net\/%cf%86%cf%85%cf%83%ce%b9%ce%ba%ce%ae-%ce%ba%ce%b1%cf%84%ce%b5%cf%8d%ce%b8%cf%85%ce%bd%cf%83%ce%b7%cf%82\/","license":"open","level":"University entrance exams","category_en":"Physics","category_original_lang":"\u03a6\u03c5\u03c3\u03b9\u03ba\u03ae","original_question_num":"A4","question":"\u0388\u03bd\u03b1\u03c2 \u03c5\u03b4\u03c1\u03b1\u03c5\u03bb\u03b9\u03ba\u03cc\u03c2 \u03b1\u03bd\u03c5\u03c8\u03c9\u03c4\u03ae\u03c1\u03b1\u03c2 \u03c4\u03b7\u03c2 \u03bc\u03bf\u03c1\u03c6\u03ae\u03c2 \u03c4\u03bf\u03c5 \u03c3\u03c7\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2 \u03ad\u03c7\u03b5\u03b9 \u03b4\u03cd\u03bf \u03b1\u03b2\u03b1\u03c1\u03ae \u03ad\u03bc\u03b2\u03bf\u03bb\u03b1 \u03c0\u03bf\u03c5 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03ba\u03b9\u03bd\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03c7\u03c9\u03c1\u03af\u03c2 \u03c4\u03c1\u03b9\u03b2\u03ad\u03c2 \u03ba\u03b1\u03b9 \u03c0\u03b5\u03c1\u03b9\u03ad\u03c7\u03b5\u03b9 \u03b9\u03b4\u03b1\u03bd\u03b9\u03ba\u03cc \u03b1\u03c3\u03c5\u03bc\u03c0\u03af\u03b5\u03c3\u03c4\u03bf \u03c5\u03b3\u03c1\u03cc. \u03a4\u03bf \u03bc\u03b9\u03ba\u03c1\u03cc \u03ad\u03bc\u03b2\u03bf\u03bb\u03bf \u03ad\u03c7\u03b5\u03b9 \u03b5\u03bc\u03b2\u03b1\u03b4\u03cc\u03bd \u03b5\u03b3\u03ba\u03ac\u03c1\u03c3\u03b9\u03b1\u03c2 \u03b4\u03b9\u03b1\u03c4\u03bf\u03bc\u03ae\u03c2 \u0391_1 \u03ba\u03b1\u03b9 \u03c4\u03bf \u03bc\u03b5\u03b3\u03ac\u03bb\u03bf \u03ad\u03bc\u03b2\u03bf\u03bb\u03bf \u03ad\u03c7\u03b5\u03b9 \u03b5\u03bc\u03b2\u03b1\u03b4\u03cc\u03bd \u03b5\u03b3\u03ba\u03ac\u03c1\u03c3\u03b9\u03b1\u03c2 \u03b4\u03b9\u03b1\u03c4\u03bf\u03bc\u03ae\u03c2 \u0391_2 = 3 \u0391_1. \u0391\u03c1\u03c7\u03b9\u03ba\u03ac \u03c4\u03b1 \u03ad\u03bc\u03b2\u03bf\u03bb\u03b1 \u03b2\u03c1\u03af\u03c3\u03ba\u03bf\u03bd\u03c4\u03b1\u03b9 \u03b1\u03ba\u03af\u03bd\u03b7\u03c4\u03b1 \u03c3\u03c4\u03bf \u03af\u03b4\u03b9\u03bf \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03bf \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf. \u0391\u03c3\u03ba\u03bf\u03cd\u03bc\u03b5 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 \u03c3\u03c4\u03bf \u03bc\u03b9\u03ba\u03c1\u03cc \u03ad\u03bc\u03b2\u03bf\u03bb\u03bf \u03ba\u03b1\u03b9 \u03c4\u03b7 \u03c3\u03c4\u03b9\u03b3\u03bc\u03ae \u03c0\u03bf\u03c5 \u03b1\u03c5\u03c4\u03cc \u03ad\u03c7\u03b5\u03b9 \u03ba\u03b1\u03c4\u03ad\u03b2\u03b5\u03b9 \u03ba\u03b1\u03c4\u03ac d1, \u03c4\u03bf \u03bc\u03b5\u03b3\u03ac\u03bb\u03bf \u03ad\u03bc\u03b2\u03bf\u03bb\u03bf \u03ad\u03c7\u03b5\u03b9 \u03b1\u03bd\u03b5\u03b2\u03b5\u03af \u03ba\u03b1\u03c4\u03ac d2. \u0393\u03b9\u03b1 \u03c4\u03b9\u03c2 \u03b1\u03c0\u03bf\u03c3\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 d1 \u03ba\u03b1\u03b9 d2 \u03b9\u03c3\u03c7\u03cd\u03b5\u03b9 \u03cc\u03c4\u03b9","options":["d1 = 1,5 d2","d1 = 2 d2","d1 = 3 d2","d1 = 4 d2."],"answer":2,"image_png":"physics_2019_a4_q.png","image_information":"essential","image_type":"figure","parallel_question":null},{"language":"el","country":"Greece","file_name":"fusiki_2019.pdf","source":"https:\/\/www.panellinies.net\/%cf%86%cf%85%cf%83%ce%b9%ce%ba%ce%ae-%ce%ba%ce%b1%cf%84%ce%b5%cf%8d%ce%b8%cf%85%ce%bd%cf%83%ce%b7%cf%82\/","license":"open","level":"University entrance exams","category_en":"Physics","category_original_lang":"\u03a6\u03c5\u03c3\u03b9\u03ba\u03ae","original_question_num":"\u03921","question":"\u03a0\u03b1\u03c1\u03b1\u03c4\u03b7\u03c1\u03b7\u03c4\u03ae\u03c2 \u0391 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03ba\u03af\u03bd\u03b7\u03c4\u03bf\u03c2 \u03c3\u03b5 \u03bc\u03b9\u03ba\u03c1\u03ae \u03b1\u03c0\u03cc\u03c3\u03c4\u03b1\u03c3\u03b7 \u03b1\u03c0\u03cc \u03c3\u03ce\u03bc\u03b1 \u03a3_1 \u03bc\u03ac\u03b6\u03b1\u03c2 m \u03c0\u03bf\u03c5 \u03ba\u03b9\u03bd\u03b5\u03af\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 u_\u03c3 = u_\u0397\/20 (\u03cc\u03c0\u03bf\u03c5 u_\u0397 \u03b7 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 \u03c4\u03bf\u03c5 \u03ae\u03c7\u03bf\u03c5 \u03c3\u03c4\u03bf\u03bd \u03b1\u03ba\u03af\u03bd\u03b7\u03c4\u03bf \u03b1\u03ad\u03c1\u03b1) \u03ba\u03b1\u03b9 \u03b1\u03c0\u03bf\u03bc\u03b1\u03ba\u03c1\u03cd\u03bd\u03b5\u03c4\u03b1\u03b9 \u03b1\u03c0\u2019 \u03b1\u03c5\u03c4\u03cc\u03bd. \u039f \u03c0\u03b1\u03c1\u03b1\u03c4\u03b7\u03c1\u03b7\u03c4\u03ae\u03c2 \u03ba\u03b1\u03b9 \u03b7 \u03c0\u03b7\u03b3\u03ae \u03b2\u03c1\u03af\u03c3\u03ba\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b7\u03bd \u03af\u03b4\u03b9\u03b1 \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03b1 \u03b4\u03b9\u03b5\u03cd\u03b8\u03c5\u03bd\u03c3\u03b7 \u03cc\u03c0\u03c9\u03c2 \u03c6\u03b1\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf \u03c3\u03c7\u03ae\u03bc\u03b1.\n\n\u03a4\u03bf \u03c3\u03ce\u03bc\u03b1 \u03a3_1 \u03c6\u03ad\u03c1\u03b5\u03b9 \u03c0\u03b7\u03b3\u03ae \u03c0\u03bf\u03c5 \u03b5\u03ba\u03c0\u03ad\u03bc\u03c0\u03b5\u03b9 \u03ae\u03c7\u03bf \u03c3\u03c5\u03c7\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 fs . \u038c\u03c3\u03bf \u03b7 \u03c0\u03b7\u03b3\u03ae \u03b1\u03c0\u03bf\u03bc\u03b1\u03ba\u03c1\u03cd\u03bd\u03b5\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03bf\u03bd \u03c0\u03b1\u03c1\u03b1\u03c4\u03b7\u03c1\u03b7\u03c4\u03ae, \u03b1\u03c5\u03c4\u03cc\u03c2 \u03b1\u03bd\u03c4\u03b9\u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03b5\u03c4\u03b1\u03b9 \u03ae\u03c7\u03bf \u03c3\u03c5\u03c7\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 f1. \u039a\u03b1\u03c4\u03ac \u03c4\u03b7\u03bd \u03ba\u03af\u03bd\u03b7\u03c3\u03ae \u03c4\u03bf\u03c5 \u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 \u03a31 \u03c3\u03c5\u03b3\u03ba\u03c1\u03bf\u03cd\u03b5\u03c4\u03b1\u03b9 \u03c0\u03bb\u03b1\u03c3\u03c4\u03b9\u03ba\u03ac \u03bc\u03b5 \u03af\u03b4\u03b9\u03bf \u03c3\u03ce\u03bc\u03b1 \u03a32 \u03c0\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03ba\u03af\u03bd\u03b7\u03c4\u03bf. \u039a\u03b1\u03c4\u03ac \u03c4\u03b7\u03bd \u03ba\u03c1\u03bf\u03cd\u03c3\u03b7, \u03c0\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03ba\u03b1\u03c1\u03b9\u03b1\u03af\u03b1, \u03b7 \u03c0\u03b7\u03b3\u03ae \u03b4\u03b5\u03bd \u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03c1\u03ad\u03c6\u03b5\u03c4\u03b1\u03b9 \u03ba\u03b1\u03b9 \u03c4\u03bf \u03c3\u03c5\u03c3\u03c3\u03c9\u03bc\u03ac\u03c4\u03c9\u03bc\u03b1 \u03c3\u03c5\u03bd\u03b5\u03c7\u03af\u03b6\u03b5\u03b9 \u03bd\u03b1 \u03ba\u03b9\u03bd\u03b5\u03af\u03c4\u03b1\u03b9 \u03c0\u03c1\u03bf\u03c2 \u03c4\u03b7\u03bd \u03af\u03b4\u03b9\u03b1 \u03ba\u03b1\u03c4\u03b5\u03cd\u03b8\u03c5\u03bd\u03c3\u03b7. \u039f \u03c0\u03b1\u03c1\u03b1\u03c4\u03b7\u03c1\u03b7\u03c4\u03ae\u03c2 \u03bc\u03b5\u03c4\u03ac \u03c4\u03b7\u03bd \u03ba\u03c1\u03bf\u03cd\u03c3\u03b7 \u03b1\u03bd\u03c4\u03b9\u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03b5\u03c4\u03b1\u03b9 \u03ae\u03c7\u03bf \u03c3\u03c5\u03c7\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 f2. \u039f \u03bb\u03cc\u03b3\u03bf\u03c2 \u03c4\u03c9\u03bd \u03c3\u03c5\u03c7\u03bd\u03bf\u03c4\u03ae\u03c4\u03c9\u03bd f1 \u03ba\u03b1\u03b9 f2 \u03c0\u03bf\u03c5 \u03b1\u03ba\u03bf\u03cd\u03b5\u03b9 \u03bf \u03c0\u03b1\u03c1\u03b1\u03c4\u03b7\u03c1\u03b7\u03c4\u03ae\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03af\u03c3\u03bf\u03c2 \u03bc\u03b5","options":["39\/42","41\/42","38\/39","\u039a\u03b1\u03bd\u03ad\u03bd\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b1 \u03c0\u03b1\u03c1\u03b1\u03c0\u03ac\u03bd\u03c9"],"answer":1,"image_png":"physics_2019_b1_q.png","image_information":"essential","image_type":"figure","parallel_question":null},{"language":"el","country":"Greece","file_name":"fusiki_2019.pdf","source":"https:\/\/www.panellinies.net\/%cf%86%cf%85%cf%83%ce%b9%ce%ba%ce%ae-%ce%ba%ce%b1%cf%84%ce%b5%cf%8d%ce%b8%cf%85%ce%bd%cf%83%ce%b7%cf%82\/","license":"open","level":"University entrance exams","category_en":"Physics","category_original_lang":"\u03a6\u03c5\u03c3\u03b9\u03ba\u03ae","original_question_num":"\u03922","question":"\u03a3\u03c4\u03bf\u03bd \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03bf \u03ba\u03c5\u03bb\u03b9\u03bd\u03b4\u03c1\u03b9\u03ba\u03cc \u03c3\u03c9\u03bb\u03ae\u03bd\u03b1 \u0392\u0393 \u03bc\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03c4\u03ae\u03c2 \u03b4\u03b9\u03b1\u03c4\u03bf\u03bc\u03ae\u03c2 \u03c4\u03bf\u03c5 \u03c3\u03c7\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2, \u03c1\u03ad\u03b5\u03b9 \u03bc\u03b5 \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ae \u03c0\u03b1\u03c1\u03bf\u03c7\u03ae \u03bd\u03b5\u03c1\u03cc, \u03c4\u03bf \u03bf\u03c0\u03bf\u03af\u03bf \u03b8\u03b5\u03c9\u03c1\u03b5\u03af\u03c4\u03b1\u03b9 \u03b9\u03b4\u03b1\u03bd\u03b9\u03ba\u03cc \u03c1\u03b5\u03c5\u03c3\u03c4\u03cc \u03bc\u03b5 \u03c6\u03bf\u03c1\u03ac \u03b1\u03c0\u03cc \u03c4\u03bf \u0392 \u03c0\u03c1\u03bf\u03c2 \u03c4\u03bf \u0393. \u0393\u03b9\u03b1 \u03c4\u03b1 \u03b5\u03bc\u03b2\u03b1\u03b4\u03ac \u03c4\u03c9\u03bd \u03b5\u03b3\u03ba\u03b1\u03c1\u03c3\u03af\u03c9\u03bd \u03b4\u03b9\u03b1\u03c4\u03bf\u03bc\u03ce\u03bd \u03c4\u03c9\u03bd \u03c0\u03b5\u03c1\u03b9\u03bf\u03c7\u03ce\u03bd (1) \u03ba\u03b1\u03b9 (2), \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03bf\u03b9\u03c7\u03b1, \u03b9\u03c3\u03c7\u03cd\u03b5\u03b9 A_1 = 2 A_2. \u03a3\u03b5 \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u0394 \u03c4\u03b7\u03c2 \u03c0\u03b5\u03c1\u03b9\u03bf\u03c7\u03ae\u03c2 (1) \u03ad\u03c7\u03bf\u03c5\u03bc\u03b5 \u03c0\u03c1\u03bf\u03c3\u03b1\u03c1\u03bc\u03cc\u03c3\u03b5\u03b9 \u03ad\u03bd\u03b1 \u03bb\u03b5\u03c0\u03c4\u03cc \u03ba\u03b1\u03c4\u03b1\u03ba\u03cc\u03c1\u03c5\u03c6\u03bf \u03c3\u03c9\u03bb\u03ae\u03bd\u03b1, \u03c3\u03c4\u03bf\u03bd \u03bf\u03c0\u03bf\u03af\u03bf \u03b7 \u03b5\u03bb\u03b5\u03cd\u03b8\u03b5\u03c1\u03b7 \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1 \u03c4\u03bf\u03c5 \u03bd\u03b5\u03c1\u03bf\u03cd \u03b2\u03c1\u03af\u03c3\u03ba\u03b5\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03cd\u03c8\u03bf\u03c2 h \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03b1 \u03b4\u03b9\u03b5\u03cd\u03b8\u03c5\u03bd\u03c3\u03b7 x \u0301x. \u03a4\u03bf \u03bd\u03b5\u03c1\u03cc \u03c0\u03bf\u03c5 \u03b5\u03be\u03ad\u03c1\u03c7\u03b5\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03bf \u03c3\u03c4\u03cc\u03bc\u03b9\u03bf \u0393 \u03c4\u03bf\u03c5 \u03c3\u03c9\u03bb\u03ae\u03bd\u03b1 \u03c7\u03cd\u03bd\u03b5\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03b4\u03bf\u03c7\u03b5\u03af\u03bf \u03bc\u03b5\u03b3\u03ac\u03bb\u03bf\u03c5 \u03cc\u03b3\u03ba\u03bf\u03c5 \u03c0\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03c4\u03b5\u03c1\u03b5\u03c9\u03bc\u03ad\u03bd\u03bf \u03c3\u03b5 \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03bf \u03ad\u03b4\u03b1\u03c6\u03bf\u03c2. \u03a3\u03c4\u03b7 \u03b2\u03ac\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03b4\u03bf\u03c7\u03b5\u03af\u03bf\u03c5 \u03c3\u03c4\u03b7 \u03b8\u03ad\u03c3\u03b7 (3) \u03c5\u03c0\u03ac\u03c1\u03c7\u03b5\u03b9 \u03bc\u03b9\u03ba\u03c1\u03ae \u03bf\u03c0\u03ae \u0396 \u03bc\u03b5 \u03b5\u03bc\u03b2\u03b1\u03b4\u03cc\u03bd \u03b4\u03b9\u03b1\u03c4\u03bf\u03bc\u03ae\u03c2 A_3 = A_2\/2. \u039b\u03cc\u03b3\u03c9 \u03c4\u03b7\u03c2 \u03b5\u03be\u03cc\u03b4\u03bf\u03c5 \u03c4\u03bf\u03c5 \u03bd\u03b5\u03c1\u03bf\u03cd \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03bf\u03c0\u03ae \u0396 \u03c4\u03bf \u03b4\u03bf\u03c7\u03b5\u03af\u03bf \u03b4\u03b5\u03bd \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b3\u03b5\u03bc\u03af\u03c3\u03b5\u03b9 \u03ba\u03b1\u03b9 \u03b7 \u03b5\u03bb\u03b5\u03cd\u03b8\u03b5\u03c1\u03b7 \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1 \u03c4\u03bf\u03c5 \u03bd\u03b5\u03c1\u03bf\u03cd \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03bf\u03c0\u03bf\u03b9\u03b5\u03af\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03cd\u03c8\u03bf\u03c2 \u0397.\n\n\u039f \u03bb\u03cc\u03b3\u03bf\u03c2 \u03c4\u03bf\u03c5 \u03cd\u03c8\u03bf\u03c5\u03c2 h \u03c4\u03bf\u03c5 \u03bd\u03b5\u03c1\u03bf\u03cd \u03c3\u03c4\u03bf\u03bd \u03ba\u03b1\u03c4\u03b1\u03ba\u03cc\u03c1\u03c5\u03c6\u03bf \u03c3\u03c9\u03bb\u03ae\u03bd\u03b1 \u03c0\u03c1\u03bf\u03c2 \u03c4\u03bf \u03cd\u03c8\u03bf\u03c2 H \u03c4\u03bf\u03c5\n\u03bd\u03b5\u03c1\u03bf\u03cd \u03c3\u03c4\u03bf \u03b4\u03bf\u03c7\u03b5\u03af\u03bf \u03b5\u03af\u03bd\u03b1\u03b9 \u03af\u03c3\u03bf\u03c2 \u03bc\u03b5","options":["3\/4","3\/8","3\/16","\u039a\u03b1\u03bd\u03ad\u03bd\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b1 \u03c0\u03b1\u03c1\u03b1\u03c0\u03ac\u03bd\u03c9"],"answer":2,"image_png":"physics_2019_b2_q.png","image_information":"essential","image_type":"figure","parallel_question":null},{"language":"el","country":"Greece","file_name":"fusiki_2019.pdf","source":"https:\/\/www.panellinies.net\/%cf%86%cf%85%cf%83%ce%b9%ce%ba%ce%ae-%ce%ba%ce%b1%cf%84%ce%b5%cf%8d%ce%b8%cf%85%ce%bd%cf%83%ce%b7%cf%82\/","license":"open","level":"University entrance exams","category_en":"Physics","category_original_lang":"\u03a6\u03c5\u03c3\u03b9\u03ba\u03ae","original_question_num":"\u03923","question":"\u039b\u03b5\u03c0\u03c4\u03ae \u03b9\u03c3\u03bf\u03c0\u03b1\u03c7\u03ae\u03c2 \u03bf\u03bc\u03bf\u03b3\u03b5\u03bd\u03ae\u03c2 \u03c1\u03ac\u03b2\u03b4\u03bf\u03c2 \u03bc\u03ae\u03ba\u03bf\u03c5\u03c2 L \u03ba\u03b1\u03b9 \u03bc\u03ac\u03b6\u03b1\u03c2 \u039c \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c4\u03c1\u03ad\u03c6\u03b5\u03c4\u03b1\u03b9 \u03c0\u03ac\u03bd\u03c9 \u03c3\u03b5 \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03bf \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf \u03c7\u03c9\u03c1\u03af\u03c2 \u03c4\u03c1\u03b9\u03b2\u03ad\u03c2 \u03b3\u03cd\u03c1\u03c9 \u03b1\u03c0\u03cc \u03ba\u03b1\u03c4\u03b1\u03ba\u03cc\u03c1\u03c5\u03c6\u03bf \u03ac\u03be\u03bf\u03bd\u03b1 \u03c0\u03bf\u03c5 \u03c0\u03b5\u03c1\u03bd\u03ac \u03b1\u03c0\u03cc \u03c4\u03bf \u03ac\u03ba\u03c1\u03bf \u03c4\u03b7\u03c2 \u039f \u03ba\u03b1\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 \u03ba\u03ac\u03b8\u03b5\u03c4\u03bf\u03c2 \u03c3\u03c4\u03bf \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf.\n\u0397 \u03b1\u03c1\u03c7\u03b9\u03ba\u03ac \u03b1\u03ba\u03af\u03bd\u03b7\u03c4\u03b7 \u03c1\u03ac\u03b2\u03b4\u03bf\u03c2 \u03c3\u03c4\u03b7 \u03b8\u03ad\u03c3\u03b7 (\u039f\u0391), \u03c5\u03c0\u03cc \u03c4\u03b7\u03bd \u03b5\u03c0\u03af\u03b4\u03c1\u03b1\u03c3\u03b7 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7\u03c2 F \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03bf\u03cd \u03bc\u03ad\u03c4\u03c1\u03bf\u03c5, \u03c0\u03bf\u03c5 \u03b1\u03c3\u03ba\u03b5\u03af\u03c4\u03b1\u03b9 \u03c3\u03c5\u03bd\u03b5\u03c7\u03ce\u03c2 \u03ba\u03ac\u03b8\u03b5\u03c4\u03b1 \u03c3\u03c4\u03bf \u03ac\u03ba\u03c1\u03bf \u03c4\u03b7\u03c2 \u03b1\u03c1\u03c7\u03af\u03b6\u03b5\u03b9 \u03bd\u03b1 \u03ba\u03b9\u03bd\u03b5\u03af\u03c4\u03b1\u03b9.\n\u038c\u03c4\u03b1\u03bd \u03b7 \u03c1\u03ac\u03b2\u03b4\u03bf\u03c2 \u03ad\u03c7\u03b5\u03b9 \u03b4\u03b9\u03b1\u03b3\u03c1\u03ac\u03c8\u03b5\u03b9 \u03b3\u03c9\u03bd\u03af\u03b1 \u03c6 = 90 \u03bc\u03bf\u03af\u03c1\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03c6\u03c4\u03ac\u03c3\u03b5\u03b9 \u03c3\u03c4\u03b7 \u03b8\u03ad\u03c3\u03b7 (\u039f\u0394), \u03b7 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 \u03c0\u03b1\u03cd\u03b5\u03b9 \u03b1\u03ba\u03b1\u03c1\u03b9\u03b1\u03af\u03b1 \u03bd\u03b1 \u03b1\u03c3\u03ba\u03b5\u03af\u03c4\u03b1\u03b9 \u03ba\u03b1\u03b9 \u03c4\u03b1\u03c5\u03c4\u03cc\u03c7\u03c1\u03bf\u03bd\u03b1 \u03c3\u03c5\u03b3\u03ba\u03c1\u03bf\u03cd\u03b5\u03c4\u03b1\u03b9 \u03c0\u03bb\u03b1\u03c3\u03c4\u03b9\u03ba\u03ac\n\u03bc\u03b5 \u03ad\u03bd\u03b1 \u03c3\u03ce\u03bc\u03b1 \u03bc\u03b9\u03ba\u03c1\u03ce\u03bd \u03b4\u03b9\u03b1\u03c3\u03c4\u03ac\u03c3\u03b5\u03c9\u03bd \u03bc\u03ac\u03b6\u03b1\u03c2 m \u03c0\u03bf\u03c5 \u03b5\u03bd\u03c3\u03c9\u03bc\u03b1\u03c4\u03ce\u03bd\u03b5\u03c4\u03b1\u03b9 \u03b1\u03ba\u03b1\u03c1\u03b9\u03b1\u03af\u03b1\n\u03c3\u03c4\u03bf \u03ac\u03ba\u03c1\u03bf \u03c4\u03b7\u03c2 \u0394.\n\u039f \u03c7\u03c1\u03cc\u03bd\u03bf\u03c2 \u0394t \u03c0\u03bf\u03c5 \u03b8\u03b1 \u03c7\u03c1\u03b5\u03b9\u03b1\u03c3\u03c4\u03b5\u03af \u03b7 \u03c1\u03ac\u03b2\u03b4\u03bf\u03c2 \u03bc\u03b5 \u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 \u03bc\u03ac\u03b6\u03b1\u03c2 m \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b4\u03b9\u03b1\u03b3\u03c1\u03ac\u03c8\u03b5\u03b9 \u03c4\u03b7 \u03b3\u03c9\u03bd\u03af\u03b1 \u03b8 = 90 \u03bc\u03bf\u03af\u03c1\u03b5\u03c2 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03b8\u03ad\u03c3\u03b7 (\u039f\u0394) \u03ad\u03c9\u03c2 \u03c4\u03b7 \u03b8\u03ad\u03c3\u03b7 (\u039f\u0395) \u03b5\u03af\u03bd\u03b1\u03b9 \u03af\u03c3\u03bf\u03c2 \u03bc\u03b5","options":["1\/6s","1\/3s","4\/3s","\u039a\u03b1\u03bd\u03ad\u03bd\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b1 \u03c0\u03b1\u03c1\u03b1\u03c0\u03ac\u03bd\u03c9"],"answer":1,"image_png":"physics_2019_b3_q.png","image_information":"essential","image_type":"figure","parallel_question":null},{"language":"el","country":"Greece","file_name":"fusiki_2018.pdf","source":"https:\/\/www.panellinies.net\/%cf%86%cf%85%cf%83%ce%b9%ce%ba%ce%ae-%ce%ba%ce%b1%cf%84%ce%b5%cf%8d%ce%b8%cf%85%ce%bd%cf%83%ce%b7%cf%82\/","license":"open","level":"University entrance exams","category_en":"Physics","category_original_lang":"\u03a6\u03c5\u03c3\u03b9\u03ba\u03ae","original_question_num":"A4","question":"\u03a4\u03bf \u03b1\u03bd\u03bf\u03b9\u03c7\u03c4\u03cc \u03ba\u03c5\u03bb\u03b9\u03bd\u03b4\u03c1\u03b9\u03ba\u03cc \u03b4\u03bf\u03c7\u03b5\u03af\u03bf \u03c4\u03bf\u03c5 \u03c3\u03c7\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2 \u03b2\u03c1\u03af\u03c3\u03ba\u03b5\u03c4\u03b1\u03b9 \u03b5\u03bd\u03c4\u03cc\u03c2 \u03c0\u03b5\u03b4\u03af\u03bf\u03c5 \u03b2\u03b1\u03c1\u03cd\u03c4\u03b7\u03c4\u03b1\u03c2 \u03bc\u03b5 \u03b5\u03c0\u03b9\u03c4\u03ac\u03c7\u03c5\u03bd\u03c3\u03b7 \u03b2\u03b1\u03c1\u03cd\u03c4\u03b7\u03c4\u03b1\u03c2 g \u03ba\u03b1\u03b9 \u03c0\u03b5\u03c1\u03b9\u03ad\u03c7\u03b5\u03b9 \u03bd\u03b5\u03c1\u03cc \u03c0\u03c5\u03ba\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03c1. \u03a4\u03bf \u03cd\u03c8\u03bf\u03c2 \u03c4\u03bf\u03c5 \u03bd\u03b5\u03c1\u03bf\u03cd \u03c3\u03c4\u03bf \u03b4\u03bf\u03c7\u03b5\u03af\u03bf \u03b5\u03af\u03bd\u03b1\u03b9 \u0397. \u03a3\u03c4\u03bf \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u0391, \u03c0\u03bf\u03c5 \u03b1\u03c0\u03ad\u03c7\u03b5\u03b9 \u03b1\u03c0\u03cc\u03c3\u03c4\u03b1\u03c3\u03b7 h \u03b1\u03c0\u03cc \u03c4\u03bf\u03bd \u03c0\u03c5\u03b8\u03bc\u03ad\u03bd\u03b1 \u03c4\u03bf\u03c5 \u03b4\u03bf\u03c7\u03b5\u03af\u03bf\u03c5, \u03b7 \u03c5\u03b4\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b9\u03ba\u03ae \u03c0\u03af\u03b5\u03c3\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 \u03af\u03c3\u03b7 \u03bc\u03b5","options":["P\u03b1\u03c4\u03bc + \u03c1gh","P\u03b1\u03c4\u03bc + \u03c1g(H-h)","\u03c1gh","\u03c1g(H-h)"],"answer":3,"image_png":"physics_2018_a4_q.png","image_information":"essential","image_type":"figure","parallel_question":null},{"language":"el","country":"Greece","file_name":"fusiki_2018.pdf","source":"https:\/\/www.panellinies.net\/%cf%86%cf%85%cf%83%ce%b9%ce%ba%ce%ae-%ce%ba%ce%b1%cf%84%ce%b5%cf%8d%ce%b8%cf%85%ce%bd%cf%83%ce%b7%cf%82\/","license":"open","level":"University entrance exams","category_en":"Physics","category_original_lang":"\u03a6\u03c5\u03c3\u03b9\u03ba\u03ae","original_question_num":"B1","question":"\u03a3\u03c4\u03b7\u03bd \u03b5\u03bb\u03b5\u03cd\u03b8\u03b5\u03c1\u03b7 \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1 \u03bd\u03b5\u03c1\u03bf\u03cd \u03c0\u03bf\u03c5 \u03b7\u03c1\u03b5\u03bc\u03b5\u03af, \u03c3\u03c4\u03b9\u03c2 \u03b8\u03ad\u03c3\u03b5\u03b9\u03c2 \u039a \u03ba\u03b1\u03b9 \u039b \u03b2\u03c1\u03af\u03c3\u03ba\u03bf\u03bd\u03c4\u03b1\u03b9 \u03b4\u03cd\u03bf \u03cc\u03bc\u03bf\u03b9\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03c3\u03cd\u03b3\u03c7\u03c1\u03bf\u03bd\u03b5\u03c2 \u03ba\u03c5\u03bc\u03b1\u03c4\u03b9\u03ba\u03ad\u03c2 \u03c0\u03b7\u03b3\u03ad\u03c2 \u03b1\u03c0\u03bb\u03ce\u03bd \u03b1\u03c1\u03bc\u03bf\u03bd\u03b9\u03ba\u03ce\u03bd \u03ba\u03c5\u03bc\u03ac\u03c4\u03c9\u03bd \u03a01 \u03ba\u03b1\u03b9 \u03a02, \u03c0\u03bf\u03c5 \u03b1\u03c0\u03ad\u03c7\u03bf\u03c5\u03bd \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c4\u03bf\u03c5\u03c2 \u03b1\u03c0\u03cc\u03c3\u03c4\u03b1\u03c3\u03b7 d = (3 \u03bb_1)\/2. \u039f\u03b9 \u03c0\u03b7\u03b3\u03ad\u03c2 \u03c4\u03b1\u03bb\u03b1\u03bd\u03c4\u03ce\u03bd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c7\u03c9\u03c1\u03af\u03c2 \u03b1\u03c1\u03c7\u03b9\u03ba\u03ae \u03c6\u03ac\u03c3\u03b7, \u03bc\u03b5 \u03c3\u03c5\u03c7\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1 f1, \u03c0\u03bb\u03ac\u03c4\u03bf\u03c2 \u03c4\u03b1\u03bb\u03ac\u03bd\u03c4\u03c9\u03c3\u03b7\u03c2 \u0391 \u03ba\u03b1\u03b9 \u03c0\u03b1\u03c1\u03ac\u03b3\u03bf\u03c5\u03bd \u03ba\u03cd\u03bc\u03b1\u03c4\u03b1 \u03bc\u03ae\u03ba\u03bf\u03c5\u03c2 \u03ba\u03cd\u03bc\u03b1\u03c4\u03bf\u03c2 \u03bb_1, \u03c0\u03bf\u03c5 \u03b4\u03b9\u03b1\u03b4\u03af\u03b4\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1 \u03c4\u03bf\u03c5 \u03bd\u03b5\u03c1\u03bf\u03cd \u03bc\u03b5 \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ae \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 \u03c5.","options":["\u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u03b5\u03bd\u03af\u03c3\u03c7\u03c5\u03c3\u03b7\u03c2","\u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u03b1\u03c0\u03cc\u03c3\u03b2\u03b5\u03c3\u03b7\u03c2","\u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u03c0\u03bf\u03c5 \u03c4\u03b1\u03bb\u03b1\u03bd\u03c4\u03ce\u03bd\u03b5\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03c0\u03bb\u03ac\u03c4\u03bf\u03c2 \u0391","\u03ba\u03b1\u03bd\u03ad\u03bd\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b1 \u03c0\u03b1\u03c1\u03b1\u03c0\u03ac\u03bd\u03c9"],"answer":0,"image_png":"physics_2018_b1_q.png","image_information":"useful","image_type":"figure","parallel_question":null},{"language":"el","country":"Greece","file_name":"fusiki_2018.pdf","source":"https:\/\/www.panellinies.net\/%cf%86%cf%85%cf%83%ce%b9%ce%ba%ce%ae-%ce%ba%ce%b1%cf%84%ce%b5%cf%8d%ce%b8%cf%85%ce%bd%cf%83%ce%b7%cf%82\/","license":"open","level":"University entrance exams","category_en":"Physics","category_original_lang":"\u03a6\u03c5\u03c3\u03b9\u03ba\u03ae","original_question_num":"B2","question":"\u03a4\u03bf \u03c3\u03c6\u03b1\u03b9\u03c1\u03af\u03b4\u03b9\u03bf \u03c4\u03bf\u03c5 \u03c3\u03c7\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2, \u03bc\u03ac\u03b6\u03b1\u03c2 m, \u03b4\u03b9\u03b1\u03b3\u03c1\u03ac\u03c6\u03b5\u03b9 \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03bf \u03ba\u03cd\u03ba\u03bb\u03bf \u03b1\u03ba\u03c4\u03af\u03bd\u03b1\u03c2 \u039a\u03a3 = R \u03bc\u03b5 \u03b3\u03c9\u03bd\u03b9\u03b1\u03ba\u03ae \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 \u03c9 \u03b4\u03b5\u03bc\u03ad\u03bd\u03bf \u03c3\u03c4\u03bf \u03ac\u03ba\u03c1\u03bf \u03b1\u03b2\u03b1\u03c1\u03bf\u03cd\u03c2 \u03bc\u03b7 \u03b5\u03ba\u03c4\u03b1\u03c4\u03bf\u03cd \u03bd\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2, \u03c4\u03bf \u03bf\u03c0\u03bf\u03af\u03bf \u03c0\u03b5\u03c1\u03bd\u03ac\u03b5\u03b9 \u03b1\u03c0\u03cc \u03ba\u03b1\u03c4\u03b1\u03ba\u03cc\u03c1\u03c5\u03c6\u03bf \u03c3\u03c9\u03bb\u03ae\u03bd\u03b1 \u039a\u039b. \u03a3\u03c4\u03bf \u03ac\u03ba\u03c1\u03bf \u039c \u03c4\u03bf\u03c5 \u03bd\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2 \u03b1\u03c3\u03ba\u03b5\u03af\u03c4\u03b1\u03b9 \u03ba\u03b1\u03c4\u03ac\u03bb\u03bb\u03b7\u03bb\u03b7 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 F, \u03ce\u03c3\u03c4\u03b5 \u03b1\u03c5\u03c4\u03cc \u03bd\u03b1 \u03ba\u03b9\u03bd\u03b7\u03b8\u03b5\u03af \u03c7\u03c9\u03c1\u03af\u03c2 \u03c4\u03c1\u03b9\u03b2\u03ae \u03b4\u03b9\u03b1\u03bc\u03ad\u03c3\u03bf\u03c5 \u03c4\u03bf\u03c5 \u03c3\u03c9\u03bb\u03ae\u03bd\u03b1 \u03bc\u03ad\u03c7\u03c1\u03b9 \u03b7 \u03b1\u03ba\u03c4\u03af\u03bd\u03b1 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c4\u03c1\u03bf\u03c6\u03ae\u03c2 \u03c4\u03bf\u03c5 \u03c3\u03c6\u03b1\u03b9\u03c1\u03b9\u03b4\u03af\u03bf\u03c5 \u03bc\u03ac\u03b6\u03b1\u03c2 m \u03bd\u03b1 \u03b3\u03af\u03bd\u03b5\u03b9 \u039a\u03a3' = R\/2. \u03a3\u03b5 \u03cc\u03bb\u03b7 \u03c4\u03b7 \u03b4\u03b9\u03ac\u03c1\u03ba\u03b5\u03b9\u03b1 \u03c4\u03b7\u03c2 \u03bc\u03b5\u03c4\u03b1\u03b2\u03bf\u03bb\u03ae\u03c2 \u03c4\u03b7\u03c2 \u03b1\u03ba\u03c4\u03af\u03bd\u03b1\u03c2 \u03c4\u03b7\u03c2 \u03ba\u03c5\u03ba\u03bb\u03b9\u03ba\u03ae\u03c2 \u03c4\u03c1\u03bf\u03c7\u03b9\u03ac\u03c2, \u03b8\u03b5\u03c9\u03c1\u03bf\u03cd\u03bc\u03b5 \u03cc\u03c4\u03b9 \u03c4\u03bf \u03c3\u03c6\u03b1\u03b9\u03c1\u03af\u03b4\u03b9\u03bf \u03ba\u03b9\u03bd\u03b5\u03af\u03c4\u03b1\u03b9 \u03b5\u03ba\u03c4\u03b5\u03bb\u03ce\u03bd\u03c4\u03b1\u03c2 \u03ba\u03c5\u03ba\u03bb\u03b9\u03ba\u03ae \u03ba\u03af\u03bd\u03b7\u03c3\u03b7 \u03c3\u03c4\u03bf \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03bf \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf \u03c7\u03c9\u03c1\u03af\u03c2 \u03c4\u03c1\u03b9\u03b2\u03ad\u03c2. \u03a4\u03bf \u03ad\u03c1\u03b3\u03bf \u03c4\u03b7\u03c2 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7\u03c2 F \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03bc\u03b5\u03c4\u03b1\u03ba\u03af\u03bd\u03b7\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03c3\u03c6\u03b1\u03b9\u03c1\u03b9\u03b4\u03af\u03bf\u03c5 \u03bc\u03ac\u03b6\u03b1\u03c2 m \u03b8\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03af\u03c3\u03bf \u03bc\u03b5:","options":["1\/2 * m \u03c9^2 R^2","2\/3 * m \u03c9^2 R^2","3\/2 * m \u03c9^2 R^2","\u039a\u03b1\u03bd\u03ad\u03bd\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b1 \u03c0\u03b1\u03c1\u03b1\u03c0\u03ac\u03bd\u03c9"],"answer":2,"image_png":"physics_2018_b2_q.png","image_information":"essential","image_type":"figure","parallel_question":null},{"language":"el","country":"Greece","file_name":"fusiki_2018.pdf","source":"https:\/\/www.panellinies.net\/%cf%86%cf%85%cf%83%ce%b9%ce%ba%ce%ae-%ce%ba%ce%b1%cf%84%ce%b5%cf%8d%ce%b8%cf%85%ce%bd%cf%83%ce%b7%cf%82\/","license":"open","level":"University entrance exams","category_en":"Physics","category_original_lang":"\u03a6\u03c5\u03c3\u03b9\u03ba\u03ae","original_question_num":"B3","question":"\u039f \u03ba\u03c5\u03bb\u03b9\u03bd\u03b4\u03c1\u03b9\u03ba\u03cc\u03c2 \u03c3\u03c9\u03bb\u03ae\u03bd\u03b1\u03c2 \u0393\u0394 \u03c4\u03bf\u03c5 \u03c3\u03c7\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03af \u03c4\u03bc\u03ae\u03bc\u03b1 \u03b5\u03bd\u03cc\u03c2 \u03bc\u03b5\u03b3\u03ac\u03bb\u03bf\u03c5 \u03c3\u03c9\u03bb\u03ae\u03bd\u03b1 \u03bc\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03c4\u03ae\u03c2 \u03b4\u03b9\u03b1\u03c4\u03bf\u03bc\u03ae\u03c2 \u03ba\u03b1\u03b9 \u03b2\u03c1\u03af\u03c3\u03ba\u03b5\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03ba\u03b1\u03c4\u03b1\u03ba\u03cc\u03c1\u03c5\u03c6\u03bf \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf. \u03a3\u03c4\u03bf\u03bd \u03c3\u03c9\u03bb\u03ae\u03bd\u03b1 \u03c1\u03ad\u03b5\u03b9 \u03bc\u03b5 \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ae \u03c0\u03b1\u03c1\u03bf\u03c7\u03ae \u03b9\u03b4\u03b1\u03bd\u03b9\u03ba\u03cc \u03c5\u03b3\u03c1\u03cc \u03c0\u03c5\u03ba\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03c1 \u03bc\u03b5 \u03c6\u03bf\u03c1\u03ac \u03b1\u03c0\u03cc \u03c4\u03bf \u0393 \u03c0\u03c1\u03bf\u03c2 \u03c4\u03bf \u0394. \u0397 \u03c3\u03c7\u03ad\u03c3\u03b7 \u03c4\u03c9\u03bd \u03b5\u03bc\u03b2\u03b1\u03b4\u03ce\u03bd \u03c4\u03c9\u03bd \u03b5\u03b3\u03ba\u03b1\u03c1\u03c3\u03af\u03c9\u03bd \u03b4\u03b9\u03b1\u03c4\u03bf\u03bc\u03ce\u03bd \u03c4\u03bf\u03c5 \u03c3\u03c9\u03bb\u03ae\u03bd\u03b1 \u03c3\u03c4\u03b1 \u03c3\u03b7\u03bc\u03b5\u03af\u03b1 \u0393 \u03ba\u03b1\u03b9 \u0394 \u03b5\u03af\u03bd\u03b1\u03b9 \u0391_\u0393 = 2 \u0391_\u0394. \u03a4\u03bf \u03bc\u03ad\u03c4\u03c1\u03bf \u03c4\u03b7\u03c2 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1\u03c2 \u03bc\u03b5 \u03c4\u03b7\u03bd \u03bf\u03c0\u03bf\u03af\u03b1 \u03ba\u03b9\u03bd\u03b5\u03af\u03c4\u03b1\u03b9 \u03c4\u03bf \u03c5\u03b3\u03c1\u03cc \u03c3\u03c4\u03bf \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u0393 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c5_\u0393 . \u03a4\u03b1 \u03c3\u03b7\u03bc\u03b5\u03af\u03b1 \u0393 \u03ba\u03b1\u03b9 \u0394 \u03b1\u03c0\u03ad\u03c7\u03bf\u03c5\u03bd \u03c5\u03c8\u03bf\u03bc\u03b5\u03c4\u03c1\u03b9\u03ba\u03ac \u03ba\u03b1\u03c4\u03ac h, \u03cc\u03c0\u03c9\u03c2 \u03c6\u03b1\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf \u03c3\u03c7\u03ae\u03bc\u03b1. \u0397 \u03c6\u03bb\u03ad\u03b2\u03b1 \u03c4\u03bf\u03c5 \u03c5\u03b3\u03c1\u03bf\u03cd \u03c0\u03bf\u03c5 \u03b5\u03be\u03ad\u03c1\u03c7\u03b5\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03bf \u03c3\u03c4\u03cc\u03bc\u03b9\u03bf \u0394 \u03c0\u03ad\u03c6\u03c4\u03b5\u03b9 \u03c3\u03b5 \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u039a \u03c3\u03c4\u03b7\u03bd \u03c0\u03c1\u03bf\u03ad\u03ba\u03c4\u03b1\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03b1\u03c2 \u03b5\u03c5\u03b8\u03b5\u03af\u03b1\u03c2 \u03c0\u03bf\u03c5 \u03b4\u03b9\u03ad\u03c1\u03c7\u03b5\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03bf \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u0393.\n\n\u0397 \u03b1\u03c0\u03cc\u03c3\u03c4\u03b1\u03c3\u03b7 \u0396\u039a (\u03b2\u03b5\u03bb\u03b7\u03bd\u03b5\u03ba\u03ad\u03c2) \u03b5\u03af\u03bd\u03b1\u03b9 \u03af\u03c3\u03b7 \u03bc\u03b5 4h. \u0397 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03ac \u03c0\u03af\u03b5\u03c3\u03b7\u03c2 \u0394\u03a1 \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c4\u03c9\u03bd \u03c3\u03b7\u03bc\u03b5\u03af\u03c9\u03bd \u0393 \u03ba\u03b1\u03b9 \u0394 \u03b9\u03c3\u03bf\u03cd\u03c4\u03b1\u03b9 \u03bc\u03b5","options":["2\u03c1\u03c5^{2}_{\u0393}","\u03c1\u03c5^{2}_{\u0393}","2\u03c1\u03c5^{2}_{\u0393} \/ 2","\u039a\u03b1\u03bd\u03ad\u03bd\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b1 \u03c0\u03b1\u03c1\u03b1\u03c0\u03ac\u03bd\u03c9"],"answer":0,"image_png":"physics_2018_b3_q.png","image_information":"useful","image_type":"figure","parallel_question":null},{"language":"el","country":"Greece","file_name":"fusiki_2017.pdf","source":"https:\/\/www.panellinies.net\/%cf%86%cf%85%cf%83%ce%b9%ce%ba%ce%ae-%ce%ba%ce%b1%cf%84%ce%b5%cf%8d%ce%b8%cf%85%ce%bd%cf%83%ce%b7%cf%82\/","license":"open","level":"University entrance exams","category_en":"Physics","category_original_lang":"\u03a6\u03c5\u03c3\u03b9\u03ba\u03ae","original_question_num":"\u03921","question":"\u0388\u03bd\u03b1 \u03ba\u03b1\u03c4\u03b1\u03ba\u03cc\u03c1\u03c5\u03c6\u03bf \u03b9\u03b4\u03b1\u03bd\u03b9\u03ba\u03cc \u03b5\u03bb\u03b1\u03c4\u03ae\u03c1\u03b9\u03bf \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ac\u03c2 k \u03ad\u03c7\u03b5\u03b9 \u03c4\u03bf \u03ac\u03bd\u03c9 \u03ac\u03ba\u03c1\u03bf \u03c4\u03bf\u03c5 \u03c3\u03c4\u03b5\u03c1\u03b5\u03c9\u03bc\u03ad\u03bd\u03bf \u03c3\u03b5 \u03b1\u03ba\u03bb\u03cc\u03bd\u03b7\u03c4\u03bf \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u03ba\u03b1\u03b9 \u03b2\u03c1\u03af\u03c3\u03ba\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b7 \u03b8\u03ad\u03c3\u03b7 \u03c6\u03c5\u03c3\u03b9\u03ba\u03bf\u03cd \u03bc\u03ae\u03ba\u03bf\u03c5\u03c2. \u03a3\u03c4\u03bf \u03b5\u03bb\u03b5\u03cd\u03b8\u03b5\u03c1\u03bf \u03ac\u03ba\u03c1\u03bf \u03c4\u03bf\u03c5 \u03b5\u03bb\u03b1\u03c4\u03b7\u03c1\u03af\u03bf\u03c5 \u03ba\u03b1\u03b9 \u03b5\u03bd\u03ce \u03b1\u03c5\u03c4\u03cc \u03b2\u03c1\u03af\u03c3\u03ba\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b7 \u03b8\u03ad\u03c3\u03b7 \u03c6\u03c5\u03c3\u03b9\u03ba\u03bf\u03cd \u03bc\u03ae\u03ba\u03bf\u03c5\u03c2, \u03c3\u03c4\u03b5\u03c1\u03b5\u03ce\u03bd\u03b5\u03c4\u03b1\u03b9 \u03bc\u03ac\u03b6\u03b1 m. \u0391\u03c0\u03cc \u03c4\u03b7 \u03b8\u03ad\u03c3\u03b7 \u03b1\u03c5\u03c4\u03ae \u03c4\u03bf \u03c3\u03cd\u03c3\u03c4\u03b7\u03bc\u03b1 \u03b1\u03c6\u03ae\u03bd\u03b5\u03c4\u03b1\u03b9 \u03b5\u03bb\u03b5\u03cd\u03b8\u03b5\u03c1\u03bf \u03ba\u03b1\u03b9 \u03b1\u03c1\u03c7\u03af\u03b6\u03b5\u03b9 \u03bd\u03b1 \u03b5\u03ba\u03c4\u03b5\u03bb\u03b5\u03af \u03b1\u03c0\u03bb\u03ae \u03b1\u03c1\u03bc\u03bf\u03bd\u03b9\u03ba\u03ae \u03c4\u03b1\u03bb\u03ac\u03bd\u03c4\u03c9\u03c3\u03b7.\n\n\u0397 \u03bc\u03ad\u03b3\u03b9\u03c3\u03c4\u03b7 \u03b4\u03c5\u03bd\u03b1\u03bc\u03b9\u03ba\u03ae \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1 \u03c4\u03bf\u03c5 \u03b5\u03bb\u03b1\u03c4\u03b7\u03c1\u03af\u03bf\u03c5 \u03ba\u03b1\u03c4\u03ac \u03c4\u03b7 \u03b4\u03b9\u03ac\u03c1\u03ba\u03b5\u03b9\u03b1 \u03c4\u03b7\u03c2 \u03b1\u03c0\u03bb\u03ae\u03c2 \u03b1\u03c1\u03bc\u03bf\u03bd\u03b9\u03ba\u03ae\u03c2 \u03c4\u03b1\u03bb\u03ac\u03bd\u03c4\u03c9\u03c3\u03b7\u03c2 \u03c4\u03bf\u03c5 \u03c3\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03af\u03c3\u03b7 \u03bc\u03b5 :","options":["(m^2  g^2) \/ k","2 (m^2  g^2) \/ k","(m^2  g^2) \/ 2k","\u039a\u03b1\u03bd\u03ad\u03bd\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b1 \u03c0\u03b1\u03c1\u03b1\u03c0\u03ac\u03bd\u03c9"],"answer":1,"image_png":"physics_2017_b1_q.png","image_information":"essential","image_type":"figure","parallel_question":null},{"language":"el","country":"Greece","file_name":"fusiki_2017.pdf","source":"https:\/\/www.panellinies.net\/%cf%86%cf%85%cf%83%ce%b9%ce%ba%ce%ae-%ce%ba%ce%b1%cf%84%ce%b5%cf%8d%ce%b8%cf%85%ce%bd%cf%83%ce%b7%cf%82\/","license":"open","level":"University entrance exams","category_en":"Physics","category_original_lang":"\u03a6\u03c5\u03c3\u03b9\u03ba\u03ae","original_question_num":"\u03922","question":"\u0391\u03bd\u03bf\u03b9\u03c7\u03c4\u03cc \u03ba\u03c5\u03bb\u03b9\u03bd\u03b4\u03c1\u03b9\u03ba\u03cc \u03b4\u03bf\u03c7\u03b5\u03af\u03bf \u03bc\u03b5 \u03ba\u03b1\u03c4\u03b1\u03ba\u03cc\u03c1\u03c5\u03c6\u03b1 \u03c4\u03bf\u03b9\u03c7\u03ce\u03bc\u03b1\u03c4\u03b1 \u03c0\u03b5\u03c1\u03b9\u03ad\u03c7\u03b5\u03b9 \u03bd\u03b5\u03c1\u03cc \u03bc\u03ad\u03c7\u03c1\u03b9 \u03cd\u03c8\u03bf\u03c5\u03c2 \u0397. \u0391\u03c0\u03cc \u03c4\u03bf\u03bd \u03c0\u03c5\u03b8\u03bc\u03ad\u03bd\u03b1 \u03c4\u03bf\u03c5 \u03c0\u03bb\u03b5\u03c5\u03c1\u03b9\u03ba\u03bf\u03cd \u03c4\u03bf\u03b9\u03c7\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2 \u03c4\u03bf\u03c5 \u03b4\u03bf\u03c7\u03b5\u03af\u03bf\u03c5 \u03b5\u03be\u03ad\u03c1\u03c7\u03b5\u03c4\u03b1\u03b9 \u03bb\u03b5\u03c0\u03c4\u03cc\u03c2 \u03ba\u03c5\u03bb\u03b9\u03bd\u03b4\u03c1\u03b9\u03ba\u03cc\u03c2 \u03c3\u03c9\u03bb\u03ae\u03bd\u03b1\u03c2 \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ae\u03c2 \u03b4\u03b9\u03b1\u03c4\u03bf\u03bc\u03ae\u03c2. \u039f \u03c3\u03c9\u03bb\u03ae\u03bd\u03b1\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03c1\u03c7\u03b9\u03ba\u03ac \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03bf\u03c2 \u03ba\u03b1\u03b9 \u03c3\u03c4\u03b7 \u03c3\u03c5\u03bd\u03ad\u03c7\u03b5\u03b9\u03b1 \u03ba\u03ac\u03bc\u03c0\u03c4\u03b5\u03c4\u03b1\u03b9, \u03ce\u03c3\u03c4\u03b5 \u03bd\u03b1 \u03b3\u03af\u03bd\u03b5\u03b9 \u03ba\u03b1\u03c4\u03b1\u03ba\u03cc\u03c1\u03c5\u03c6\u03bf\u03c2 \u03c0\u03c1\u03bf\u03c2 \u03c4\u03b1 \u03c0\u03ac\u03bd\u03c9. \u03a4\u03bf \u03ac\u03bd\u03bf\u03b9\u03b3\u03bc\u03b1 \u03c4\u03bf\u03c5 \u03c3\u03c9\u03bb\u03ae\u03bd\u03b1 \u03b2\u03c1\u03af\u03c3\u03ba\u03b5\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03cd\u03c8\u03bf\u03c2 h = H\/5 \u03c0\u03ac\u03bd\u03c9 \u03b1\u03c0\u03cc \u03c4\u03bf \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf \u03c4\u03bf\u03c5 \u03c0\u03c5\u03b8\u03bc\u03ad\u03bd\u03b1 \u03c4\u03bf\u03c5 \u03b4\u03bf\u03c7\u03b5\u03af\u03bf\u03c5, \u03cc\u03c0\u03c9\u03c2 \u03c6\u03b1\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf \u03c3\u03c7\u03ae\u03bc\u03b1 2:\n\n\u039d\u03b1 \u03b8\u03b5\u03c9\u03c1\u03ae\u03c3\u03b5\u03c4\u03b5 \u03cc\u03c4\u03b9:\n- \u03b7 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 \u03bc\u03b5 \u03c4\u03b7\u03bd \u03bf\u03c0\u03bf\u03af\u03b1 \u03ba\u03b1\u03c4\u03b5\u03b2\u03b1\u03af\u03bd\u03b5\u03b9 \u03b7 \u03c3\u03c4\u03ac\u03b8\u03bc\u03b7 \u03c4\u03bf\u03c5 \u03bd\u03b5\u03c1\u03bf\u03cd \u03c3\u03c4\u03bf \u03b1\u03bd\u03bf\u03b9\u03c7\u03c4\u03cc \u03b4\u03bf\u03c7\u03b5\u03af\u03bf \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03bc\u03b5\u03bb\u03b7\u03c4\u03ad\u03b1\n- \u03c4\u03bf \u03bd\u03b5\u03c1\u03cc \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03b9\u03c6\u03ad\u03c1\u03b5\u03c4\u03b1\u03b9 \u03c9\u03c2 \u03b9\u03b4\u03b1\u03bd\u03b9\u03ba\u03cc \u03c1\u03b5\u03c5\u03c3\u03c4\u03cc\n- \u03b7 \u03b1\u03c4\u03bc\u03bf\u03c3\u03c6\u03b1\u03b9\u03c1\u03b9\u03ba\u03ae \u03c0\u03af\u03b5\u03c3\u03b7 \u03c0\u03b1\u03c1\u03b1\u03bc\u03ad\u03bd\u03b5\u03b9 \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ae.\n\n\u03a4\u03bf \u03bc\u03ad\u03c4\u03c1\u03bf \u03c4\u03b7\u03c2 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1\u03c2 \u03c5_A \u03bc\u03b5 \u03c4\u03b7\u03bd \u03bf\u03c0\u03bf\u03af\u03b1 \u03c1\u03ad\u03b5\u03b9 \u03c4\u03bf \u03bd\u03b5\u03c1\u03cc \u03c3\u03c4\u03bf \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u0391 \u03c4\u03bf\u03c5 \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03bf\u03c5 \u03c3\u03c9\u03bb\u03ae\u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03af\u03c3\u03bf \u03bc\u03b5:","options":["sqrt{2gh}","sqrt{2gh}","2 sqrt{2gh}","\u039a\u03b1\u03bd\u03ad\u03bd\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b1 \u03c0\u03b1\u03c1\u03b1\u03c0\u03ac\u03bd\u03c9"],"answer":2,"image_png":"physics_2017_b2_q.png","image_information":"useful","image_type":"figure","parallel_question":null},{"language":"el","country":"Greece","file_name":"fusiki_2017.pdf","source":"https:\/\/www.panellinies.net\/%cf%86%cf%85%cf%83%ce%b9%ce%ba%ce%ae-%ce%ba%ce%b1%cf%84%ce%b5%cf%8d%ce%b8%cf%85%ce%bd%cf%83%ce%b7%cf%82\/","license":"open","level":"University entrance exams","category_en":"Physics","category_original_lang":"\u03a6\u03c5\u03c3\u03b9\u03ba\u03ae","original_question_num":"\u03923","question":"\u039f\u03b9 \u03c0\u03b1\u03c1\u03b1\u03c4\u03b7\u03c1\u03b7\u03c4\u03ad\u03c2 \u0391 \u03ba\u03b1\u03b9 \u0392 \u03ba\u03b9\u03bd\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b7\u03bd \u03af\u03b4\u03b9\u03b1 \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03b1 \u03ba\u03b1\u03c4\u03b5\u03cd\u03b8\u03c5\u03bd\u03c3\u03b7 \u03bc\u03b5 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b5\u03c2 \u03bc\u03ad\u03c4\u03c1\u03bf\u03c5 \u03c5_1 = \u03c5_{\u03b7\u03c7}\/5 \u03ba\u03b1\u03b9 \u03c5_2 = \u03c5_{\u03b7\u03c7}\/10 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03bf\u03b9\u03c7\u03b1. \u03a3\u03c4\u03b7\u03bd \u03c0\u03bb\u03ac\u03c4\u03b7 \u03c4\u03bf\u03c5 \u03c0\u03b1\u03c1\u03b1\u03c4\u03b7\u03c1\u03b7\u03c4\u03ae \u0391 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03c4\u03b5\u03c1\u03b5\u03c9\u03bc\u03ad\u03bd\u03b7 \u03b7\u03c7\u03b7\u03c4\u03b9\u03ba\u03ae \u03c0\u03b7\u03b3\u03ae, \u03cc\u03c0\u03c9\u03c2 \u03c6\u03b1\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf \u03c3\u03c7\u03ae\u03bc\u03b1 3:\n\n\u0397 \u03b7\u03c7\u03b7\u03c4\u03b9\u03ba\u03ae \u03c0\u03b7\u03b3\u03ae \u03b5\u03ba\u03c0\u03ad\u03bc\u03c0\u03b5\u03b9 \u03c3\u03c5\u03bd\u03b5\u03c7\u03ce\u03c2 \u03ae\u03c7\u03bf \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ae\u03c2 \u03c3\u03c5\u03c7\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 f_s , \u03bf \u03bf\u03c0\u03bf\u03af\u03bf\u03c2 \u03b4\u03b9\u03b1\u03b4\u03af\u03b4\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf\u03bd \u03b1\u03ad\u03c1\u03b1 \u03bc\u03b5 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 \u03c5_{\u03b7\u03c7}. \u039f \u03c0\u03b1\u03c1\u03b1\u03c4\u03b7\u03c1\u03b7\u03c4\u03ae\u03c2 \u0392 \u03b1\u03bd\u03c4\u03b9\u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03b5\u03c4\u03b1\u03b9 \u03c4\u03bf\u03bd \u03ae\u03c7\u03bf \u03c4\u03b7\u03c2 \u03b7\u03c7\u03b7\u03c4\u03b9\u03ba\u03ae\u03c2 \u03c0\u03b7\u03b3\u03ae\u03c2 \u03bc\u03b5 \u03c3\u03c5\u03c7\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1 \u03af\u03c3\u03b7 \u03bc\u03b5:","options":["(9\/12)  f_s","(11\/12)  f_s","(11\/8)  f_s","\u039a\u03b1\u03bd\u03ad\u03bd\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b1 \u03c0\u03b1\u03c1\u03b1\u03c0\u03ac\u03bd\u03c9"],"answer":1,"image_png":"physics_2017_b3_q.png","image_information":"essential","image_type":"figure","parallel_question":null},{"language":"el","country":"Greece","file_name":"fusiki_2016.pdf","source":"https:\/\/www.panellinies.net\/%cf%86%cf%85%cf%83%ce%b9%ce%ba%ce%ae-%ce%ba%ce%b1%cf%84%ce%b5%cf%8d%ce%b8%cf%85%ce%bd%cf%83%ce%b7%cf%82\/","license":"open","level":"University entrance exams","category_en":"Physics","category_original_lang":"\u03a6\u03c5\u03c3\u03b9\u03ba\u03ae","original_question_num":"\u03913","question":"\u03a4\u03bf \u03b4\u03bf\u03c7\u03b5\u03af\u03bf \u03c4\u03bf\u03c5 \u03c3\u03c7\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2 1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b3\u03b5\u03bc\u03ac\u03c4\u03bf \u03bc\u03b5 \u03c5\u03b3\u03c1\u03cc \u03ba\u03b1\u03b9 \u03ba\u03bb\u03b5\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03ad\u03bc\u03b2\u03bf\u03bb\u03bf \u0395 \u03c3\u03c4\u03bf \u03bf\u03c0\u03bf\u03af\u03bf \u03b1\u03c3\u03ba\u03b5\u03af\u03c4\u03b1\u03b9 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 F.\n\u038c\u03bb\u03b1 \u03c4\u03b1 \u03bc\u03b1\u03bd\u03cc\u03bc\u03b5\u03c4\u03c1\u03b1 1, 2, 3, 4 \u03b4\u03b5\u03af\u03c7\u03bd\u03bf\u03c5\u03bd \u03c0\u03ac\u03bd\u03c4\u03b1","options":["\u03c4\u03b7\u03bd \u03af\u03b4\u03b9\u03b1 \u03c0\u03af\u03b5\u03c3\u03b7, \u03cc\u03c4\u03b1\u03bd \u03c4\u03bf \u03b4\u03bf\u03c7\u03b5\u03af\u03bf \u03b5\u03af\u03bd\u03b1\u03b9 \u03b5\u03bd\u03c4\u03cc\u03c2 \u03c4\u03bf\u03c5 \u03c0\u03b5\u03b4\u03af\u03bf\u03c5 \u03b2\u03b1\u03c1\u03cd\u03c4\u03b7\u03c4\u03b1\u03c2","\u03c4\u03b7\u03bd \u03af\u03b4\u03b9\u03b1 \u03c0\u03af\u03b5\u03c3\u03b7, \u03cc\u03c4\u03b1\u03bd \u03c4\u03bf \u03b4\u03bf\u03c7\u03b5\u03af\u03bf \u03b2\u03c1\u03af\u03c3\u03ba\u03b5\u03c4\u03b1\u03b9 \u03b5\u03ba\u03c4\u03cc\u03c2 \u03c0\u03b5\u03b4\u03af\u03bf\u03c5 \u03b2\u03b1\u03c1\u03cd\u03c4\u03b7\u03c4\u03b1\u03c2","\u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03ae \u03c0\u03af\u03b5\u03c3\u03b7, \u03b1\u03bd \u03c4\u03bf \u03b4\u03bf\u03c7\u03b5\u03af\u03bf \u03b2\u03c1\u03af\u03c3\u03ba\u03b5\u03c4\u03b1\u03b9 \u03b5\u03ba\u03c4\u03cc\u03c2 \u03c0\u03b5\u03b4\u03af\u03bf\u03c5 \u03b2\u03b1\u03c1\u03cd\u03c4\u03b7\u03c4\u03b1\u03c2","\u03c4\u03b7\u03bd \u03af\u03b4\u03b9\u03b1 \u03c0\u03af\u03b5\u03c3\u03b7, \u03b1\u03bd\u03b5\u03be\u03ac\u03c1\u03c4\u03b7\u03c4\u03b1 \u03b1\u03c0\u03cc \u03c4\u03bf \u03b1\u03bd \u03c4\u03bf \u03b4\u03bf\u03c7\u03b5\u03af\u03bf \u03b5\u03af\u03bd\u03b1\u03b9 \u03b5\u03bd\u03c4\u03cc\u03c2 \u03ae \u03b5\u03ba\u03c4\u03cc\u03c2 \u03c4\u03bf\u03c5 \u03c0\u03b5\u03b4\u03af\u03bf\u03c5 \u03b2\u03b1\u03c1\u03cd\u03c4\u03b7\u03c4\u03b1\u03c2."],"answer":1,"image_png":"physics_2016_a3_q.png","image_information":"essential","image_type":"figure","parallel_question":null},{"language":"el","country":"Greece","file_name":"fusiki_2016.pdf","source":"https:\/\/www.panellinies.net\/%cf%86%cf%85%cf%83%ce%b9%ce%ba%ce%ae-%ce%ba%ce%b1%cf%84%ce%b5%cf%8d%ce%b8%cf%85%ce%bd%cf%83%ce%b7%cf%82\/","license":"open","level":"University entrance exams","category_en":"Physics","category_original_lang":"\u03a6\u03c5\u03c3\u03b9\u03ba\u03ae","original_question_num":"\u03914","question":"\u0388\u03bd\u03b1\u03c2 \u03b4\u03af\u03c3\u03ba\u03bf\u03c2 \u03c3\u03c4\u03c1\u03ad\u03c6\u03b5\u03c4\u03b1\u03b9 \u03b3\u03cd\u03c1\u03c9 \u03b1\u03c0\u03cc \u03ac\u03be\u03bf\u03bd\u03b1 \u03c0\u03bf\u03c5 \u03b4\u03b9\u03ad\u03c1\u03c7\u03b5\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03bf \u03ba\u03ad\u03bd\u03c4\u03c1\u03bf \u03c4\u03bf\u03c5 \u03ba\u03b1\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 \u03ba\u03ac\u03b8\u03b5\u03c4\u03bf\u03c2 \u03c3\u03c4\u03bf \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03cc \u03c4\u03bf\u03c5. \u0397 \u03c4\u03b9\u03bc\u03ae \u03c4\u03b7\u03c2 \u03b3\u03c9\u03bd\u03b9\u03b1\u03ba\u03ae\u03c2 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1\u03c2 \u03c4\u03bf\u03c5 \u03b4\u03af\u03c3\u03ba\u03bf\u03c5 \u03c3\u03b5 \u03c3\u03c5\u03bd\u03ac\u03c1\u03c4\u03b7\u03c3\u03b7 \u03bc\u03b5 \u03c4\u03bf\u03bd \u03c7\u03c1\u03cc\u03bd\u03bf \u03c0\u03b1\u03c1\u03b9\u03c3\u03c4\u03ac\u03bd\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf \u03b4\u03b9\u03ac\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1 \u03c4\u03bf\u03c5 \u03c3\u03c7\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2 2. \u03a0\u03bf\u03b9\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03c0\u03b1\u03c1\u03b1\u03ba\u03ac\u03c4\u03c9 \u03c0\u03c1\u03bf\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03c3\u03c9\u03c3\u03c4\u03ae;","options":["\u03a4\u03bf \u03bc\u03ad\u03c4\u03c1\u03bf \u03c4\u03b7\u03c2 \u03b3\u03c9\u03bd\u03b9\u03b1\u03ba\u03ae\u03c2 \u03b5\u03c0\u03b9\u03c4\u03ac\u03c7\u03c5\u03bd\u03c3\u03b7\u03c2 \u03b1\u03c5\u03be\u03ac\u03bd\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf \u03c7\u03c1\u03bf\u03bd\u03b9\u03ba\u03cc \u03b4\u03b9\u03ac\u03c3\u03c4\u03b7\u03bc\u03b1 \u03b1\u03c0\u03cc t1 \u03ad\u03c9\u03c2 t2.","\u03a4\u03bf \u03bc\u03ad\u03c4\u03c1\u03bf \u03c4\u03b7\u03c2 \u03b3\u03c9\u03bd\u03b9\u03b1\u03ba\u03ae\u03c2 \u03b5\u03c0\u03b9\u03c4\u03ac\u03c7\u03c5\u03bd\u03c3\u03b7\u03c2 \u03c4\u03b7 \u03c7\u03c1\u03bf\u03bd\u03b9\u03ba\u03ae \u03c3\u03c4\u03b9\u03b3\u03bc\u03ae t1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03b9\u03ba\u03c1\u03cc\u03c4\u03b5\u03c1\u03bf \u03b1\u03c0\u03cc \u03c4\u03bf \u03bc\u03ad\u03c4\u03c1\u03bf \u03c4\u03b7\u03c2 \u03b3\u03c9\u03bd\u03b9\u03b1\u03ba\u03ae\u03c2 \u03b5\u03c0\u03b9\u03c4\u03ac\u03c7\u03c5\u03bd\u03c3\u03b7\u03c2 \u03c4\u03b7 \u03c7\u03c1\u03bf\u03bd\u03b9\u03ba\u03ae \u03c3\u03c4\u03b9\u03b3\u03bc\u03ae t4.","\u03a4\u03b7 \u03c7\u03c1\u03bf\u03bd\u03b9\u03ba\u03ae \u03c3\u03c4\u03b9\u03b3\u03bc\u03ae t3 \u03b7 \u03b3\u03c9\u03bd\u03b9\u03b1\u03ba\u03ae \u03b5\u03c0\u03b9\u03c4\u03ac\u03c7\u03c5\u03bd\u03c3\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b8\u03b5\u03c4\u03b9\u03ba\u03ae.","\u03a4\u03bf \u03b4\u03b9\u03ac\u03bd\u03c5\u03c3\u03bc\u03b1 \u03c4\u03b7\u03c2 \u03b3\u03c9\u03bd\u03b9\u03b1\u03ba\u03ae\u03c2 \u03b5\u03c0\u03b9\u03c4\u03ac\u03c7\u03c5\u03bd\u03c3\u03b7\u03c2 \u03c4\u03b7 \u03c3\u03c4\u03b9\u03b3\u03bc\u03ae t1 \u03ad\u03c7\u03b5\u03b9 \u03b1\u03bd\u03c4\u03af\u03b8\u03b5\u03c4\u03b7 \u03ba\u03b1\u03c4\u03b5\u03cd\u03b8\u03c5\u03bd\u03c3\u03b7 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03ba\u03b1\u03c4\u03b5\u03cd\u03b8\u03c5\u03bd\u03c3\u03b7 \u03c0\u03bf\u03c5 \u03ad\u03c7\u03b5\u03b9 \u03b7 \u03b3\u03c9\u03bd\u03b9\u03b1\u03ba\u03ae \u03b5\u03c0\u03b9\u03c4\u03ac\u03c7\u03c5\u03bd\u03c3\u03b7 \u03c4\u03b7 \u03c7\u03c1\u03bf\u03bd\u03b9\u03ba\u03ae \u03c3\u03c4\u03b9\u03b3\u03bc\u03ae t4."],"answer":3,"image_png":"physics_2016_a4_q.png","image_information":"essential","image_type":"graph","parallel_question":null},{"language":"el","country":"Greece","file_name":"fusiki_2016.pdf","source":"https:\/\/www.panellinies.net\/%cf%86%cf%85%cf%83%ce%b9%ce%ba%ce%ae-%ce%ba%ce%b1%cf%84%ce%b5%cf%8d%ce%b8%cf%85%ce%bd%cf%83%ce%b7%cf%82\/","license":"open","level":"University entrance exams","category_en":"Physics","category_original_lang":"\u03a6\u03c5\u03c3\u03b9\u03ba\u03ae","original_question_num":"B3","question":"\u03a3\u03c4\u03bf\u03bd \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03bf \u03c3\u03c9\u03bb\u03ae\u03bd\u03b1, \u03c4\u03bf\u03c5 \u03c3\u03c7\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2 3, \u03b1\u03c3\u03c5\u03bc\u03c0\u03af\u03b5\u03c3\u03c4\u03bf \u03b9\u03b4\u03b1\u03bd\u03b9\u03ba\u03cc \u03c1\u03b5\u03c5\u03c3\u03c4\u03cc \u03ad\u03c7\u03b5\u03b9 \u03c3\u03c4\u03c1\u03c9\u03c4\u03ae \u03c1\u03bf\u03ae \u03b1\u03c0\u03cc \u03c4\u03bf \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u0391 \u03c0\u03c1\u03bf\u03c2 \u03c4\u03bf \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u0392. \u0397 \u03b4\u03b9\u03b1\u03c4\u03bf\u03bc\u03ae \u0391_\u0391 \u03c4\u03bf\u03c5 \u03c3\u03c9\u03bb\u03ae\u03bd\u03b1 \u03c3\u03c4\u03b7 \u03b8\u03ad\u03c3\u03b7 \u0391 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b4\u03b9\u03c0\u03bb\u03ac\u03c3\u03b9\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b7 \u03b4\u03b9\u03b1\u03c4\u03bf\u03bc\u03ae \u0391_\u0392 \u03c4\u03bf\u03c5 \u03c3\u03c9\u03bb\u03ae\u03bd\u03b1 \u03c3\u03c4\u03b7 \u03b8\u03ad\u03c3\u03b7 \u0392. \u0397 \u03ba\u03b9\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1 \u03b1\u03bd\u03ac \u03bc\u03bf\u03bd\u03ac\u03b4\u03b1 \u03cc\u03b3\u03ba\u03bf\u03c5 \u03c3\u03c4\u03bf \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u0391 \u03ad\u03c7\u03b5\u03b9 \u03c4\u03b9\u03bc\u03ae \u03af\u03c3\u03b7 \u03bc\u03b5 \u039b . \u0397 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03ac \u03c4\u03b7\u03c2 \u03c0\u03af\u03b5\u03c3\u03b7\u03c2 \u03b1\u03bd\u03ac\u03bc\u03b5\u03c3\u03b1 \u03c3\u03c4\u03b1 \u03c3\u03b7\u03bc\u03b5\u03af\u03b1 \u0391 \u03ba\u03b1\u03b9 \u0392 \u03b5\u03af\u03bd\u03b1\u03b9 \u03af\u03c3\u03b7 \u03bc\u03b5:","options":["3\u039b\/4","3\u039b","2\u039b","\u039a\u03b1\u03bd\u03ad\u03bd\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b1 \u03c0\u03b1\u03c1\u03b1\u03c0\u03ac\u03bd\u03c9"],"answer":1,"image_png":"physics_2016_b3_q.png","image_information":"essential","image_type":"figure","parallel_question":null},{"language":"el","country":"Greece","file_name":"fusiki_2015.pdf","source":"https:\/\/www.panellinies.net\/%cf%86%cf%85%cf%83%ce%b9%ce%ba%ce%ae-%ce%ba%ce%b1%cf%84%ce%b5%cf%8d%ce%b8%cf%85%ce%bd%cf%83%ce%b7%cf%82\/","license":"open","level":"University entrance exams","category_en":"Physics","category_original_lang":"\u03a6\u03c5\u03c3\u03b9\u03ba\u03ae","original_question_num":"B1","question":"\u039b\u03b5\u03c0\u03c4\u03ae \u03bf\u03bc\u03bf\u03b3\u03b5\u03bd\u03ae\u03c2 \u03c1\u03ac\u03b2\u03b4\u03bf\u03c2 \u03bc\u03ac\u03b6\u03b1\u03c2 \u039c \u03ba\u03b1\u03b9 \u03bc\u03ae\u03ba\u03bf\u03c5\u03c2 L \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c4\u03c1\u03ad\u03c6\u03b5\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03ba\u03b1\u03c4\u03b1\u03ba\u03cc\u03c1\u03c5\u03c6\u03bf \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf, \u03b3\u03cd\u03c1\u03c9 \u03b1\u03c0\u03cc \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03bf \u03ac\u03be\u03bf\u03bd\u03b1 \u03c0\u03bf\u03c5 \u03b4\u03b9\u03ad\u03c1\u03c7\u03b5\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03bf \u03ad\u03bd\u03b1 \u03ac\u03ba\u03c1\u03bf \u03c4\u03b7\u03c2. \u03a3\u03c4\u03bf \u03ac\u03bb\u03bb\u03bf \u03ac\u03ba\u03c1\u03bf \u03c4\u03b7\u03c2 \u03c1\u03ac\u03b2\u03b4\u03bf\u03c5, \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03c4\u03b5\u03c1\u03b5\u03c9\u03bc\u03ad\u03bd\u03bf \u03c3\u03c6\u03b1\u03b9\u03c1\u03af\u03b4\u03b9\u03bf \u03bc\u03ac\u03b6\u03b1\u03c2 m = M\/2. \u03a4\u03b7 \u03c7\u03c1\u03bf\u03bd\u03b9\u03ba\u03ae \u03c3\u03c4\u03b9\u03b3\u03bc\u03ae \u03c0\u03bf\u03c5 \u03c4\u03bf \u03c3\u03cd\u03c3\u03c4\u03b7\u03bc\u03b1 \u03c1\u03ac\u03b2\u03b4\u03bf\u03c5-\u03c3\u03c6\u03b1\u03b9\u03c1\u03b9\u03b4\u03af\u03bf\u03c5 \u03b1\u03c6\u03ae\u03bd\u03b5\u03c4\u03b1\u03b9 \u03bd\u03b1 \u03ba\u03b9\u03bd\u03b7\u03b8\u03b5\u03af \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03b1 \u03b8\u03ad\u03c3\u03b7, \u03bf \u03c1\u03c5\u03b8\u03bc\u03cc\u03c2 \u03bc\u03b5\u03c4\u03b1\u03b2\u03bf\u03bb\u03ae\u03c2 \u03c4\u03b7\u03c2 \u03c3\u03c4\u03c1\u03bf\u03c6\u03bf\u03c1\u03bc\u03ae\u03c2 \u03c4\u03b7\u03c2 \u03c1\u03ac\u03b2\u03b4\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9:\n\n\u0394\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03cc\u03c4\u03b9 \u03b7 \u03c1\u03bf\u03c0\u03ae \u03b1\u03b4\u03c1\u03ac\u03bd\u03b5\u03b9\u03b1\u03c2 \u03c4\u03b7\u03c2 \u03c1\u03ac\u03b2\u03b4\u03bf\u03c5 \u03c9\u03c2 \u03c0\u03c1\u03bf\u03c2 \u03c4\u03bf\u03bd \u03ac\u03be\u03bf\u03bd\u03b1 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c4\u03c1\u03bf\u03c6\u03ae\u03c2 \u03c4\u03b7\u03c2 \u03c0\u03bf\u03c5 \u03c0\u03b5\u03c1\u03bd\u03ac \u03b1\u03c0\u03cc \u03c4\u03bf \u03ac\u03ba\u03c1\u03bf \u03c4\u03b7\u03c2, \u03b5\u03af\u03bd\u03b1\u03b9 I_\u03c1 1\/3 \u039cL^2","options":["\u0394L_\u03c1\/\u0394t = 1\/2 \u039cgL","\u0394L_\u03c1\/\u0394t = \u039cgL","\u0394L_\u03c1\/\u0394t = 2\/5 \u039cgL","\u039a\u03b1\u03bd\u03ad\u03bd\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b1 \u03c0\u03b1\u03c1\u03b1\u03c0\u03ac\u03bd\u03c9"],"answer":2,"image_png":"physics_2015_b1_q.png","image_information":"essential","image_type":"figure","parallel_question":null},{"language":"el","country":"Greece","file_name":"fusiki_2015.pdf","source":"https:\/\/www.panellinies.net\/%cf%86%cf%85%cf%83%ce%b9%ce%ba%ce%ae-%ce%ba%ce%b1%cf%84%ce%b5%cf%8d%ce%b8%cf%85%ce%bd%cf%83%ce%b7%cf%82\/","license":"open","level":"University entrance exams","category_en":"Physics","category_original_lang":"\u03a6\u03c5\u03c3\u03b9\u03ba\u03ae","original_question_num":"B3","question":"\u03a3\u03b5 \u03ba\u03b5\u03ba\u03bb\u03b9\u03bc\u03ad\u03bd\u03bf \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf \u03b3\u03c9\u03bd\u03af\u03b1\u03c2 \u03ba\u03bb\u03af\u03c3\u03b7\u03c2 \u03b8 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03bf\u03c0\u03bf\u03b8\u03b5\u03c4\u03b7\u03bc\u03ad\u03bd\u03b1 \u03b4\u03cd\u03bf \u03c3\u03ce\u03bc\u03b1\u03c4\u03b1 \u03a31 \u03ba\u03b1\u03b9 \u03a32 \u03bc\u03b5 \u03bc\u03ac\u03b6\u03b5\u03c2 m1 \u03ba\u03b1\u03b9 m2 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03bf\u03b9\u03c7\u03b1, \u03c0\u03bf\u03c5 \u03b5\u03c6\u03ac\u03c0\u03c4\u03bf\u03bd\u03c4\u03b1\u03b9 \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c4\u03bf\u03c5\u03c2. \u03a4\u03bf \u03c3\u03ce\u03bc\u03b1 \u03a31 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b4\u03b5\u03bc\u03ad\u03bd\u03bf \u03c3\u03c4\u03bf \u03ac\u03ba\u03c1\u03bf \u03b5\u03bb\u03b1\u03c4\u03b7\u03c1\u03af\u03bf\u03c5 \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ac\u03c2 k, \u03b5\u03bd\u03ce \u03c4\u03bf \u03ac\u03bb\u03bb\u03bf \u03ac\u03ba\u03c1\u03bf \u03c4\u03bf\u03c5 \u03b5\u03bb\u03b1\u03c4\u03b7\u03c1\u03af\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03c4\u03b5\u03c1\u03b5\u03c9\u03bc\u03ad\u03bd\u03bf \u03c3\u03c4\u03b7 \u03b2\u03ac\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03ba\u03b5\u03ba\u03bb\u03b9\u03bc\u03ad\u03bd\u03bf\u03c5 \u03b5\u03c0\u03b9\u03c0\u03ad\u03b4\u03bf\u03c5, \u03cc\u03c0\u03c9\u03c2 \u03c6\u03b1\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf \u03a3\u03c7\u03ae\u03bc\u03b1 2. \u039c\u03b5\u03c4\u03b1\u03ba\u03b9\u03bd\u03ce\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b1 \u03b4\u03cd\u03bf \u03c3\u03ce\u03bc\u03b1\u03c4\u03b1 \u03c0\u03c1\u03bf\u03c2 \u03c4\u03b1 \u03ba\u03ac\u03c4\u03c9, \u03c4\u03bf \u03c3\u03cd\u03c3\u03c4\u03b7\u03bc\u03b1 \u03c4\u03af\u03b8\u03b5\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03c4\u03b1\u03bb\u03ac\u03bd\u03c4\u03c9\u03c3\u03b7 \u03c0\u03bb\u03ac\u03c4\u03bf\u03c5\u03c2 \u0391. \u0397 \u03c3\u03c5\u03bd\u03b8\u03ae\u03ba\u03b7 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03bc\u03b7\u03bd \u03b1\u03c0\u03bf\u03c7\u03c9\u03c1\u03b9\u03c3\u03c4\u03b5\u03af \u03c4\u03bf \u03a31 \u03b1\u03c0\u03cc \u03c4\u03bf \u03a32 \u03b5\u03af\u03bd\u03b1\u03b9:","options":["\u0391 k < (m_1 + m_2) g \u03b7\u03bc\u03b8 ","\u0391 k > (m_1 + m_2) g \u03b7\u03bc\u03b8 ","\u0391 k > (m_1 + m_2)^2 g \u03b7\u03bc\u03b8 ","\u039a\u03b1\u03bd\u03ad\u03bd\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b1 \u03c0\u03b1\u03c1\u03b1\u03c0\u03ac\u03bd\u03c9"],"answer":0,"image_png":"physics_2015_b3_q.png","image_information":"useful","image_type":"figure","parallel_question":null},{"language":"el","country":"Greece","file_name":"fusiki_2014.pdf","source":"https:\/\/www.panellinies.net\/%cf%86%cf%85%cf%83%ce%b9%ce%ba%ce%ae-%ce%ba%ce%b1%cf%84%ce%b5%cf%8d%ce%b8%cf%85%ce%bd%cf%83%ce%b7%cf%82\/","license":"open","level":"University entrance exams","category_en":"Physics","category_original_lang":"\u03a6\u03c5\u03c3\u03b9\u03ba\u03ae","original_question_num":"B1","question":"\u0394\u03cd\u03bf \u03cc\u03bc\u03bf\u03b9\u03b1 \u03c3\u03ce\u03bc\u03b1\u03c4\u03b1, \u03af\u03c3\u03c9\u03bd \u03bc\u03b1\u03b6\u03ce\u03bd m \u03c4\u03bf \u03ba\u03b1\u03b8\u03ad\u03bd\u03b1, \u03c3\u03c5\u03bd\u03b4\u03ad\u03bf\u03bd\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03cc\u03bc\u03bf\u03b9\u03b1 \u03b9\u03b4\u03b1\u03bd\u03b9\u03ba\u03ac \u03b5\u03bb\u03b1\u03c4\u03ae\u03c1\u03b9\u03b1 \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ac\u03c2 k \u03c4\u03bf \u03ba\u03b1\u03b8\u03ad\u03bd\u03b1, \u03c4\u03c9\u03bd \u03bf\u03c0\u03bf\u03af\u03c9\u03bd \u03c4\u03b1 \u03ac\u03bb\u03bb\u03b1 \u03ac\u03ba\u03c1\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03c5\u03bd\u03b4\u03b5\u03b4\u03b5\u03bc\u03ad\u03bd\u03b1 \u03c3\u03b5 \u03b1\u03ba\u03bb\u03cc\u03bd\u03b7\u03c4\u03b1 \u03c3\u03b7\u03bc\u03b5\u03af\u03b1, \u03cc\u03c0\u03c9\u03c2 \u03c3\u03c4\u03bf \u03c3\u03c7\u03ae\u03bc\u03b1. \u039f\u03b9 \u03ac\u03be\u03bf\u03bd\u03b5\u03c2 \u03c4\u03c9\u03bd \u03b4\u03cd\u03bf \u03b5\u03bb\u03b1\u03c4\u03b7\u03c1\u03af\u03c9\u03bd \u03b2\u03c1\u03af\u03c3\u03ba\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b7\u03bd \u03af\u03b4\u03b9\u03b1 \u03b5\u03c5\u03b8\u03b5\u03af\u03b1, \u03c4\u03b1 \u03b5\u03bb\u03b1\u03c4\u03ae\u03c1\u03b9\u03b1 \u03b2\u03c1\u03af\u03c3\u03ba\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf \u03c6\u03c5\u03c3\u03b9\u03ba\u03cc \u03c4\u03bf\u03c5\u03c2 \u03bc\u03ae\u03ba\u03bf\u03c2 l_0 \u03ba\u03b1\u03b9 \u03c4\u03bf \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03bf \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf \u03c3\u03c4\u03bf \u03bf\u03c0\u03bf\u03af\u03bf \u03b2\u03c1\u03af\u03c3\u03ba\u03bf\u03bd\u03c4\u03b1\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bb\u03b5\u03af\u03bf. \n\n\u039c\u03b5\u03c4\u03b1\u03ba\u03b9\u03bd\u03bf\u03cd\u03bc\u03b5 \u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 1 \u03c0\u03c1\u03bf\u03c2 \u03c4\u03b1 \u03b1\u03c1\u03b9\u03c3\u03c4\u03b5\u03c1\u03ac \u03ba\u03b1\u03c4\u03ac d \u03ba\u03b1\u03b9 \u03c3\u03c4\u03b7 \u03c3\u03c5\u03bd\u03ad\u03c7\u03b5\u03b9\u03b1 \u03c4\u03bf \u03b1\u03c6\u03ae\u03bd\u03bf\u03c5\u03bc\u03b5 \u03b5\u03bb\u03b5\u03cd\u03b8\u03b5\u03c1\u03bf \u03bd\u03b1 \u03ba\u03b9\u03bd\u03b7\u03b8\u03b5\u03af. \u03a4\u03bf \u03c3\u03ce\u03bc\u03b1 1 \u03c3\u03c5\u03b3\u03ba\u03c1\u03bf\u03cd\u03b5\u03c4\u03b1\u03b9 \u03c0\u03bb\u03b1\u03c3\u03c4\u03b9\u03ba\u03ac \u03bc\u03b5 \u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 2. \u03a4\u03bf \u03c3\u03c5\u03c3\u03c3\u03c9\u03bc\u03ac\u03c4\u03c9\u03bc\u03b1 \u03c0\u03bf\u03c5 \u03c0\u03c1\u03bf\u03ba\u03cd\u03c0\u03c4\u03b5\u03b9 \u03b5\u03ba\u03c4\u03b5\u03bb\u03b5\u03af \u03b1\u03c0\u03bb\u03ae \u03b1\u03c1\u03bc\u03bf\u03bd\u03b9\u03ba\u03ae \u03c4\u03b1\u03bb\u03ac\u03bd\u03c4\u03c9\u03c3\u03b7 \u03bc\u03b5 \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ac \u03b5\u03c0\u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ac\u03c2 D = 2k. \u0391\u03bd \u03911 \u03c4\u03bf \u03c0\u03bb\u03ac\u03c4\u03bf\u03c2 \u03c4\u03b7\u03c2 \u03c4\u03b1\u03bb\u03ac\u03bd\u03c4\u03c9\u03c3\u03b7\u03c2 \u03c4\u03bf\u03c5 \u03c3\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2 1 \u03c0\u03c1\u03b9\u03bd \u03c4\u03b7 \u03ba\u03c1\u03bf\u03cd\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03912 \u03c4\u03bf \u03c0\u03bb\u03ac\u03c4\u03bf\u03c2 \u03c4\u03b7\u03c2 \u03c4\u03b1\u03bb\u03ac\u03bd\u03c4\u03c9\u03c3\u03b7\u03c2 \u03c4\u03bf\u03c5 \u03c3\u03c5\u03c3\u03c3\u03c9\u03bc\u03b1\u03c4\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2 \u03bc\u03b5\u03c4\u03ac \u03c4\u03b7\u03bd \u03ba\u03c1\u03bf\u03cd\u03c3\u03b7, \u03c4\u03cc\u03c4\u03b5 \u03bf \u03bb\u03cc\u03b3\u03bf\u03c2 A1\/A2 \u03b5\u03af\u03bd\u03b1\u03b9:","options":["1","1\/2","2","\u039a\u03b1\u03bd\u03ad\u03bd\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b1 \u03c0\u03b1\u03c1\u03b1\u03c0\u03ac\u03bd\u03c9"],"answer":2,"image_png":"physics_2014_b1_q.png","image_information":"essential","image_type":"figure","parallel_question":null},{"language":"el","country":"Greece","file_name":"fusiki_2014.pdf","source":"https:\/\/www.panellinies.net\/%cf%86%cf%85%cf%83%ce%b9%ce%ba%ce%ae-%ce%ba%ce%b1%cf%84%ce%b5%cf%8d%ce%b8%cf%85%ce%bd%cf%83%ce%b7%cf%82\/","license":"open","level":"University entrance exams","category_en":"Physics","category_original_lang":"\u03a6\u03c5\u03c3\u03b9\u03ba\u03ae","original_question_num":"B3","question":"\u03a3\u03b5 \u03bb\u03b5\u03af\u03bf \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03bf \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf \u03ba\u03b1\u03b9 \u03c3\u03b5 \u03b4\u03b9\u03b5\u03cd\u03b8\u03c5\u03bd\u03c3\u03b7 \u03ba\u03ac\u03b8\u03b5\u03c4\u03b7 \u03c3\u03b5 \u03ba\u03b1\u03c4\u03b1\u03ba\u03cc\u03c1\u03c5\u03c6\u03bf \u03c4\u03bf\u03af\u03c7\u03bf \u03ba\u03b9\u03bd\u03b5\u03af\u03c4\u03b1\u03b9 \u03c3\u03c6\u03b1\u03af\u03c1\u03b1 \u03bc\u03ac\u03b6\u03b1\u03c2 m1 \u03bc\u03b5 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 \u03bc\u03ad\u03c4\u03c1\u03bf\u03c5 \u03c51. \u039a\u03ac\u03c0\u03bf\u03b9\u03b1 \u03c7\u03c1\u03bf\u03bd\u03b9\u03ba\u03ae \u03c3\u03c4\u03b9\u03b3\u03bc\u03ae \u03b7 \u03c3\u03c6\u03b1\u03af\u03c1\u03b1 \u03bc\u03ac\u03b6\u03b1\u03c2 m1 \u03c3\u03c5\u03b3\u03ba\u03c1\u03bf\u03cd\u03b5\u03c4\u03b1\u03b9 \u03ba\u03b5\u03bd\u03c4\u03c1\u03b9\u03ba\u03ac \u03ba\u03b1\u03b9 \u03b5\u03bb\u03b1\u03c3\u03c4\u03b9\u03ba\u03ac \u03bc\u03b5 \u03b1\u03ba\u03af\u03bd\u03b7\u03c4\u03b7 \u03c3\u03c6\u03b1\u03af\u03c1\u03b1 \u03bc\u03ac\u03b6\u03b1\u03c2 m2 (m2 > m1). \u039c\u03b5\u03c4\u03ac \u03c4\u03b7\u03bd \u03ba\u03c1\u03bf\u03cd\u03c3\u03b7 \u03bc\u03b5 \u03c4\u03b7 \u03bc\u03ac\u03b6\u03b1 m1, \u03b7 m2 \u03c3\u03c5\u03b3\u03ba\u03c1\u03bf\u03cd\u03b5\u03c4\u03b1\u03b9 \u03b5\u03bb\u03b1\u03c3\u03c4\u03b9\u03ba\u03ac \u03bc\u03b5 \u03c4\u03bf\u03bd \u03c4\u03bf\u03af\u03c7\u03bf.\n\n\u03a0\u03b1\u03c1\u03b1\u03c4\u03b7\u03c1\u03bf\u03cd\u03bc\u03b5 \u03cc\u03c4\u03b9 \u03b7 \u03b1\u03c0\u03cc\u03c3\u03c4\u03b1\u03c3\u03b7 \u03c4\u03c9\u03bd \u03bc\u03b1\u03b6\u03ce\u03bd m1 \u03ba\u03b1\u03b9 m2, \u03bc\u03b5\u03c4\u03ac \u03c4\u03b7\u03bd \u03ba\u03c1\u03bf\u03cd\u03c3\u03b7 \u03c4\u03b7\u03c2 m2 \u03bc\u03b5 \u03c4\u03bf\u03bd \u03c4\u03bf\u03af\u03c7\u03bf, \u03c0\u03b1\u03c1\u03b1\u03bc\u03ad\u03bd\u03b5\u03b9 \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ae. \u039f \u03bb\u03cc\u03b3\u03bf\u03c2 \u03c4\u03c9\u03bd \u03bc\u03b1\u03b6\u03ce\u03bd m1\/m2 \u03b5\u03af\u03bd\u03b1\u03b9:","options":["3","1","1\/3","\u039a\u03b1\u03bd\u03ad\u03bd\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b1 \u03c0\u03b1\u03c1\u03b1\u03c0\u03ac\u03bd\u03c9"],"answer":2,"image_png":"physics_2014_b3_q.png","image_information":"useful","image_type":"figure","parallel_question":null},{"language":"el","country":"Greece","file_name":"fusiki_2013.pdf","source":"https:\/\/www.panellinies.net\/%cf%86%cf%85%cf%83%ce%b9%ce%ba%ce%ae-%ce%ba%ce%b1%cf%84%ce%b5%cf%8d%ce%b8%cf%85%ce%bd%cf%83%ce%b7%cf%82\/","license":"open","level":"University entrance exams","category_en":"Physics","category_original_lang":"\u03a6\u03c5\u03c3\u03b9\u03ba\u03ae","original_question_num":"B1","question":"\u03a3\u03c4\u03bf \u03ba\u03cd\u03ba\u03bb\u03c9\u03bc\u03b1 \u03c4\u03bf\u03c5 \u03c3\u03c7\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2 \u03bf \u03c0\u03c5\u03ba\u03bd\u03c9\u03c4\u03ae\u03c2 \u03c7\u03c9\u03c1\u03b7\u03c4\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 C = 20\u00d710^{\u20136} F \u03b5\u03af\u03bd\u03b1\u03b9 \u03c6\u03bf\u03c1\u03c4\u03b9\u03c3\u03bc\u03ad\u03bd\u03bf\u03c2 \u03c3\u03b5 \u03c4\u03ac\u03c3\u03b7 Vc = 20 V \u03ba\u03b1\u03b9 \u03c4\u03bf \u03b9\u03b4\u03b1\u03bd\u03b9\u03ba\u03cc \u03c0\u03b7\u03bd\u03af\u03bf \u03ad\u03c7\u03b5\u03b9 \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae \u03b1\u03c5\u03c4\u03b5\u03c0\u03b1\u03b3\u03c9\u03b3\u03ae\u03c2 L = 1\/9 \u00d7 1-^{-3} H.\n\u03a4\u03b7 \u03c7\u03c1\u03bf\u03bd\u03b9\u03ba\u03ae \u03c3\u03c4\u03b9\u03b3\u03bc\u03ae t0 = 0 \u03ba\u03bb\u03b5\u03af\u03bd\u03bf\u03c5\u03bc\u03b5 \u03c4\u03bf \u03b4\u03b9\u03b1\u03ba\u03cc\u03c0\u03c4\u03b7 \u03b4. \u039a\u03ac\u03c0\u03bf\u03b9\u03b1 \u03bc\u03b5\u03c4\u03b1\u03b3\u03b5\u03bd\u03ad\u03c3\u03c4\u03b5\u03c1\u03b7 \u03c7\u03c1\u03bf\u03bd\u03b9\u03ba\u03ae \u03c3\u03c4\u03b9\u03b3\u03bc\u03ae t1, \u03c4\u03bf \u03c6\u03bf\u03c1\u03c4\u03af\u03bf \u03c4\u03bf\u03c5 \u03c0\u03c5\u03ba\u03bd\u03c9\u03c4\u03ae \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03b7\u03b4\u03ad\u03bd \u03ba\u03b1\u03b9 \u03b7 \u03ad\u03bd\u03c4\u03b1\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03c1\u03b5\u03cd\u03bc\u03b1\u03c4\u03bf\u03c2 \u03c0\u03bf\u03c5 \u03b4\u03b9\u03b1\u03c1\u03c1\u03ad\u03b5\u03b9 \u03c4\u03bf \u03c0\u03b7\u03bd\u03af\u03bf \u03b5\u03af\u03bd\u03b1\u03b9 6 \u0391. \u0391\u03c0\u03cc \u03c4\u03b7 \u03c3\u03c4\u03b9\u03b3\u03bc\u03ae t0 \u03ad\u03c9\u03c2 \u03c4\u03b7 \u03c3\u03c4\u03b9\u03b3\u03bc\u03ae t1 \u03b7 \u03c3\u03c5\u03bd\u03bf\u03bb\u03b9\u03ba\u03ae \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1 \u03c4\u03b7\u03c2 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03ae\u03c2 \u03c4\u03b1\u03bb\u03ac\u03bd\u03c4\u03c9\u03c3\u03b7\u03c2 \u03bc\u03b5\u03b9\u03ce\u03b8\u03b7\u03ba\u03b5 \u03ba\u03b1\u03c4\u03ac:","options":["1 \u00d7 10^{-3} J","2 \u00d7 10^{-3} J","4 \u00d7 10^{-3} J","\u039a\u03b1\u03bd\u03ad\u03bd\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b1 \u03c0\u03b1\u03c1\u03b1\u03c0\u03ac\u03bd\u03c9"],"answer":1,"image_png":"physics_2013_b1_q.png","image_information":"essential","image_type":"figure","parallel_question":null},{"language":"el","country":"Greece","file_name":"fusiki_2013.pdf","source":"https:\/\/www.panellinies.net\/%cf%86%cf%85%cf%83%ce%b9%ce%ba%ce%ae-%ce%ba%ce%b1%cf%84%ce%b5%cf%8d%ce%b8%cf%85%ce%bd%cf%83%ce%b7%cf%82\/","license":"open","level":"University entrance exams","category_en":"Physics","category_original_lang":"\u03a6\u03c5\u03c3\u03b9\u03ba\u03ae","original_question_num":"B3","question":"\u0388\u03bd\u03b1\u03c2 \u03b4\u03af\u03c3\u03ba\u03bf\u03c2 \u03941 \u03bc\u03b5 \u03c1\u03bf\u03c0\u03ae \u03b1\u03b4\u03c1\u03ac\u03bd\u03b5\u03b9\u03b1\u03c2 \u03991 \u03c3\u03c4\u03c1\u03ad\u03c6\u03b5\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03b3\u03c9\u03bd\u03b9\u03b1\u03ba\u03ae \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 \u03c91 \u03ba\u03b1\u03b9 \u03c6\u03bf\u03c1\u03ac \u03c0\u03b5\u03c1\u03b9\u03c3\u03c4\u03c1\u03bf\u03c6\u03ae\u03c2 \u03cc\u03c0\u03c9\u03c2 \u03c6\u03b1\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf \u03c3\u03c7\u03ae\u03bc\u03b1, \u03b3\u03cd\u03c1\u03c9 \u03b1\u03c0\u03cc \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03cc \u03ba\u03b1\u03c4\u03b1\u03ba\u03cc\u03c1\u03c5\u03c6\u03bf \u03ac\u03be\u03bf\u03bd\u03b1 \u03c0\u03bf\u03c5 \u03b4\u03b9\u03ad\u03c1\u03c7\u03b5\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03bf \u03ba\u03ad\u03bd\u03c4\u03c1\u03bf \u03c4\u03bf\u03c5 \u03ba\u03b1\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 \u03ba\u03ac\u03b8\u03b5\u03c4\u03bf\u03c2 \u03c3\u03c4\u03bf \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03cc \u03c4\u03bf\u03c5. \u0388\u03bd\u03b1\u03c2 \u03b4\u03b5\u03cd\u03c4\u03b5\u03c1\u03bf\u03c2 \u03b4\u03af\u03c3\u03ba\u03bf\u03c2 \u03942 \u03bc\u03b5 \u03c1\u03bf\u03c0\u03ae \u03b1\u03b4\u03c1\u03ac\u03bd\u03b5\u03b9\u03b1\u03c2 \u03992 = \u03991\/4 , \u03c0\u03bf\u03c5 \u03b1\u03c1\u03c7\u03b9\u03ba\u03ac \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03ba\u03af\u03bd\u03b7\u03c4\u03bf\u03c2, \u03c4\u03bf\u03c0\u03bf\u03b8\u03b5\u03c4\u03b5\u03af\u03c4\u03b1\u03b9 \u03c0\u03ac\u03bd\u03c9 \u03c3\u03c4\u03bf \u03b4\u03af\u03c3\u03ba\u03bf \u03941, \u03b5\u03bd\u03ce \u03b1\u03c5\u03c4\u03cc\u03c2 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c4\u03c1\u03ad\u03c6\u03b5\u03c4\u03b1\u03b9, \u03ad\u03c4\u03c3\u03b9 \u03ce\u03c3\u03c4\u03b5 \u03bd\u03b1 \u03ad\u03c7\u03bf\u03c5\u03bd \u03ba\u03bf\u03b9\u03bd\u03cc \u03ac\u03be\u03bf\u03bd\u03b1 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c4\u03c1\u03bf\u03c6\u03ae\u03c2, \u03c0\u03bf\u03c5 \u03b4\u03b9\u03ad\u03c1\u03c7\u03b5\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03b1 \u03ba\u03ad\u03bd\u03c4\u03c1\u03b1 \u03c4\u03c9\u03bd \u03b4\u03cd\u03bf \u03b4\u03af\u03c3\u03ba\u03c9\u03bd, \u03cc\u03c0\u03c9\u03c2 \u03b4\u03b5\u03af\u03c7\u03bd\u03b5\u03b9 \u03c4\u03bf \u03c3\u03c7\u03ae\u03bc\u03b1. \u039c\u03b5\u03c4\u03ac \u03b1\u03c0\u03cc \u03bb\u03af\u03b3\u03bf \u03bf\u03b9 \u03b4\u03cd\u03bf \u03b4\u03af\u03c3\u03ba\u03bf\u03b9 \u03b1\u03c0\u03bf\u03ba\u03c4\u03bf\u03cd\u03bd \u03ba\u03bf\u03b9\u03bd\u03ae \u03b3\u03c9\u03bd\u03b9\u03b1\u03ba\u03ae \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 \u03c9.\n\n\u0391\u03bd L1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03bf \u03bc\u03ad\u03c4\u03c1\u03bf \u03c4\u03b7\u03c2 \u03b1\u03c1\u03c7\u03b9\u03ba\u03ae\u03c2 \u03c3\u03c4\u03c1\u03bf\u03c6\u03bf\u03c1\u03bc\u03ae\u03c2 \u03c4\u03bf\u03c5 \u03b4\u03af\u03c3\u03ba\u03bf\u03c5 \u03941, \u03c4\u03cc\u03c4\u03b5 \u03c4\u03bf \u03bc\u03ad\u03c4\u03c1\u03bf \u03c4\u03b7\u03c2 \u03bc\u03b5\u03c4\u03b1\u03b2\u03bf\u03bb\u03ae\u03c2 \u03c4\u03b7\u03c2 \u03c3\u03c4\u03c1\u03bf\u03c6\u03bf\u03c1\u03bc\u03ae\u03c2 \u03c4\u03bf\u03c5 \u03b4\u03af\u03c3\u03ba\u03bf\u03c5 \u03941 \u03b5\u03af\u03bd\u03b1\u03b9:","options":["0","1\/5 L1","2\/5 L1","\u039a\u03b1\u03bd\u03ad\u03bd\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b1 \u03c0\u03b1\u03c1\u03b1\u03c0\u03ac\u03bd\u03c9"],"answer":1,"image_png":"physics_2013_b3_q.png","image_information":"useful","image_type":"figure","parallel_question":null},{"language":"el","country":"Greece","file_name":"fusiki_2012.pdf","source":"https:\/\/www.panellinies.net\/%cf%86%cf%85%cf%83%ce%b9%ce%ba%ce%ae-%ce%ba%ce%b1%cf%84%ce%b5%cf%8d%ce%b8%cf%85%ce%bd%cf%83%ce%b7%cf%82\/","license":"open","level":"University entrance exams","category_en":"Physics","category_original_lang":"\u03a6\u03c5\u03c3\u03b9\u03ba\u03ae","original_question_num":"B1","question":"\u0391\u03ba\u03c4\u03af\u03bd\u03b1 \u03bc\u03bf\u03bd\u03bf\u03c7\u03c1\u03c9\u03bc\u03b1\u03c4\u03b9\u03ba\u03bf\u03cd \u03c6\u03c9\u03c4\u03cc\u03c2, \u03c0\u03c1\u03bf\u03b5\u03c1\u03c7\u03cc\u03bc\u03b5\u03bd\u03b7 \u03b1\u03c0\u03cc \u03c0\u03b7\u03b3\u03ae \u03c0\u03bf\u03c5 \u03b2\u03c1\u03af\u03c3\u03ba\u03b5\u03c4\u03b1\u03b9 \u03bc\u03ad\u03c3\u03b1 \u03c3\u03c4\u03bf \u03bd\u03b5\u03c1\u03cc, \u03c0\u03c1\u03bf\u03c3\u03c0\u03af\u03c0\u03c4\u03b5\u03b9 \u03c3\u03c4\u03b7 \u03b4\u03b9\u03b1\u03c7\u03c9\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03ae \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1 \u03bd\u03b5\u03c1\u03bf\u03cd \u2013 \u03b1\u03ad\u03c1\u03b1 \u03c5\u03c0\u03cc \u03b3\u03c9\u03bd\u03af\u03b1 \u03af\u03c3\u03b7 \u03bc\u03b5 \u03c4\u03b7\u03bd \u03ba\u03c1\u03af\u03c3\u03b9\u03bc\u03b7. \u03a3\u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1 \u03c4\u03bf\u03c5 \u03bd\u03b5\u03c1\u03bf\u03cd \u03c1\u03af\u03c7\u03bd\u03bf\u03c5\u03bc\u03b5 \u03c3\u03c4\u03c1\u03ce\u03bc\u03b1 \u03bb\u03b1\u03b4\u03b9\u03bf\u03cd \u03c4\u03bf \u03bf\u03c0\u03bf\u03af\u03bf \u03b4\u03b5\u03bd \u03b1\u03bd\u03b1\u03bc\u03b9\u03b3\u03bd\u03cd\u03b5\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03c4\u03bf \u03bd\u03b5\u03c1\u03cc, \u03ad\u03c7\u03b5\u03b9 \u03c0\u03c5\u03ba\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1 \u03bc\u03b9\u03ba\u03c1\u03cc\u03c4\u03b5\u03c1\u03b7 \u03b1\u03c0\u03cc \u03c4\u03bf \u03bd\u03b5\u03c1\u03cc \u03ba\u03b1\u03b9 \u03b4\u03b5\u03af\u03ba\u03c4\u03b7 \u03b4\u03b9\u03ac\u03b8\u03bb\u03b1\u03c3\u03b7\u03c2 \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03bf \u03b1\u03c0\u03cc \u03c4\u03bf \u03b4\u03b5\u03af\u03ba\u03c4\u03b7 \u03b4\u03b9\u03ac\u03b8\u03bb\u03b1\u03c3\u03b7\u03c2 \u03c4\u03bf\u03c5 \u03bd\u03b5\u03c1\u03bf\u03cd. \u03a4\u03cc\u03c4\u03b5 \u03b7 \u03b1\u03ba\u03c4\u03af\u03bd\u03b1","options":["\u03b8\u03b1 \u03b5\u03be\u03ad\u03bb\u03b8\u03b5\u03b9 \u03c3\u03c4\u03bf\u03bd \u03b1\u03ad\u03c1\u03b1","\u03b8\u03b1 \u03c5\u03c0\u03bf\u03c3\u03c4\u03b5\u03af \u03bf\u03bb\u03b9\u03ba\u03ae \u03b1\u03bd\u03ac\u03ba\u03bb\u03b1\u03c3\u03b7","\u03b8\u03b1 \u03ba\u03b9\u03bd\u03b7\u03b8\u03b5\u03af \u03c0\u03b1\u03c1\u03ac\u03bb\u03bb\u03b7\u03bb\u03b1 \u03c0\u03c1\u03bf\u03c2 \u03c4\u03b7 \u03b4\u03b9\u03b1\u03c7\u03c9\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03ae \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1 \u03bb\u03b1\u03b4\u03b9\u03bf\u03cd \u2013 \u03b1\u03ad\u03c1\u03b1.","\u03ba\u03b1\u03bd\u03ad\u03bd\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b1 \u03c0\u03b1\u03c1\u03b1\u03c0\u03ac\u03bd\u03c9"],"answer":2,"image_png":"physics_2012_b1_q.png","image_information":"useful","image_type":"figure","parallel_question":null},{"language":"el","country":"Greece","file_name":"fusiki_2012.pdf","source":"https:\/\/www.panellinies.net\/%cf%86%cf%85%cf%83%ce%b9%ce%ba%ce%ae-%ce%ba%ce%b1%cf%84%ce%b5%cf%8d%ce%b8%cf%85%ce%bd%cf%83%ce%b7%cf%82\/","license":"open","level":"University entrance exams","category_en":"Physics","category_original_lang":"\u03a6\u03c5\u03c3\u03b9\u03ba\u03ae","original_question_num":"B3","question":"\u0391\u03bd\u03ac\u03bc\u03b5\u03c3\u03b1 \u03c3\u03b5 \u03b4\u03cd\u03bf \u03c0\u03b1\u03c1\u03ac\u03bb\u03bb\u03b7\u03bb\u03bf\u03c5\u03c2 \u03c4\u03bf\u03af\u03c7\u03bf\u03c5\u03c2 \u0391\u0393 \u03ba\u03b1\u03b9 \u0392\u2206, \u03c5\u03c0\u03ac\u03c1\u03c7\u03b5\u03b9 \u03bb\u03b5\u03af\u03bf \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03bf \u03b4\u03ac\u03c0\u03b5\u03b4\u03bf. \u03a4\u03b1 \u03b5\u03c5\u03b8\u03cd\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1 \u03c4\u03bc\u03ae\u03bc\u03b1\u03c4\u03b1 \u0391\u0392 \u03ba\u03b1\u03b9 \u0393\u2206 \u03b5\u03af\u03bd\u03b1\u03b9 \u03ba\u03ac\u03b8\u03b5\u03c4\u03b1 \u03c3\u03c4\u03bf\u03c5\u03c2 \u03c4\u03bf\u03af\u03c7\u03bf\u03c5\u03c2. \u03a3\u03c6\u03b1\u03af\u03c1\u03b1 \u03a31 \u03ba\u03b9\u03bd\u03b5\u03af\u03c4\u03b1\u03b9 \u03c0\u03ac\u03bd\u03c9 \u03c3\u03c4\u03bf \u03b4\u03ac\u03c0\u03b5\u03b4\u03bf, \u03bc\u03b5 \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ae \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1, \u03bc\u03ad\u03c4\u03c1\u03bf\u03c5 \u03c5, \u03c0\u03b1\u03c1\u03ac\u03bb\u03bb\u03b7\u03bb\u03b7 \u03c3\u03c4\u03bf\u03c5\u03c2 \u03c4\u03bf\u03af\u03c7\u03bf\u03c5\u03c2, \u03ba\u03b1\u03b9 \u03ba\u03b1\u03bb\u03cd\u03c0\u03c4\u03b5\u03b9 \u03c4\u03b7 \u03b4\u03b9\u03b1\u03b4\u03c1\u03bf\u03bc\u03ae \u03b1\u03c0\u03cc \u03c4\u03bf \u0391\u0392 \u03bc\u03ad\u03c7\u03c1\u03b9 \u03c4\u03bf \u0393\u2206 \u03c3\u03b5 \u03c7\u03c1\u03cc\u03bd\u03bf t1. \u03a3\u03c4\u03b7 \u03c3\u03c5\u03bd\u03ad\u03c7\u03b5\u03b9\u03b1 \u03b4\u03b5\u03cd\u03c4\u03b5\u03c1\u03b7 \u03c3\u03c6\u03b1\u03af\u03c1\u03b1 \u03a32 \u03c0\u03bf\u03c5 \u03ad\u03c7\u03b5\u03b9 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 \u03bc\u03ad\u03c4\u03c1\u03bf\u03c5 \u03c5 \u03c3\u03c5\u03b3\u03ba\u03c1\u03bf\u03cd\u03b5\u03c4\u03b1\u03b9 \u03b5\u03bb\u03b1\u03c3\u03c4\u03b9\u03ba\u03ac \u03bc\u03b5 \u03c4\u03bf\u03bd \u03ad\u03bd\u03b1 \u03c4\u03bf\u03af\u03c7\u03bf \u03c5\u03c0\u03cc \u03b3\u03c9\u03bd\u03af\u03b1 \u03c6=60 \u03bc\u03bf\u03af\u03c1\u03b5\u03c2 \u03ba\u03b1\u03b9, \u03cd\u03c3\u03c4\u03b5\u03c1\u03b1 \u03b1\u03c0\u03cc \u03b4\u03b9\u03b1\u03b4\u03bf\u03c7\u03b9\u03ba\u03ad\u03c2 \u03b5\u03bb\u03b1\u03c3\u03c4\u03b9\u03ba\u03ad\u03c2 \u03ba\u03c1\u03bf\u03cd\u03c3\u03b5\u03b9\u03c2 \u03bc\u03b5 \u03c4\u03bf\u03c5\u03c2 \u03c4\u03bf\u03af\u03c7\u03bf\u03c5\u03c2, \u03ba\u03b1\u03bb\u03cd\u03c0\u03c4\u03b5\u03b9 \u03c4\u03b7 \u03b4\u03b9\u03b1\u03b4\u03c1\u03bf\u03bc\u03ae \u03b1\u03c0\u03cc \u03c4\u03bf \u0391\u0392 \u03bc\u03ad\u03c7\u03c1\u03b9 \u03c4\u03bf \u0393\u2206 \u03c3\u03b5 \u03c7\u03c1\u03cc\u03bd\u03bf t2. \u039f\u03b9 \u03c3\u03c6\u03b1\u03af\u03c1\u03b5\u03c2 \u03b5\u03ba\u03c4\u03b5\u03bb\u03bf\u03cd\u03bd \u03bc\u03cc\u03bd\u03bf \u03bc\u03b5\u03c4\u03b1\u03c6\u03bf\u03c1\u03b9\u03ba\u03ae \u03ba\u03af\u03bd\u03b7\u03c3\u03b7. T\u03cc\u03c4\u03b5 \u03b8\u03b1 \u03b9\u03c3\u03c7\u03cd\u03b5\u03b9:","options":["t2= 2 t1 ","t2= 4 t1","t2= 8 t1","\u03ba\u03b1\u03bd\u03ad\u03bd\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b1 \u03c0\u03b1\u03c1\u03b1\u03c0\u03ac\u03bd\u03c9"],"answer":0,"image_png":"physics_2012_b3_q.png","image_information":"useful","image_type":"figure","parallel_question":null},{"language":"el","country":"Greece","file_name":"fusiki_2011.pdf","source":"https:\/\/www.panellinies.net\/%cf%86%cf%85%cf%83%ce%b9%ce%ba%ce%ae-%ce%ba%ce%b1%cf%84%ce%b5%cf%8d%ce%b8%cf%85%ce%bd%cf%83%ce%b7%cf%82\/","license":"open","level":"University entrance exams","category_en":"Physics","category_original_lang":"\u03a6\u03c5\u03c3\u03b9\u03ba\u03ae","original_question_num":"B1","question":"\u2206\u03cd\u03bf \u03cc\u03bc\u03bf\u03b9\u03b1 \u03b9\u03b4\u03b1\u03bd\u03b9\u03ba\u03ac \u03b5\u03bb\u03b1\u03c4\u03ae\u03c1\u03b9\u03b1 \u03ba\u03c1\u03ad\u03bc\u03bf\u03bd\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03b4\u03cd\u03bf \u03b1\u03ba\u03bb\u03cc\u03bd\u03b7\u03c4\u03b1 \u03c3\u03b7\u03bc\u03b5\u03af\u03b1. \u03a3\u03c4\u03b1 \u03ba\u03ac\u03c4\u03c9 \u03ac\u03ba\u03c1\u03b1 \u03c4\u03c9\u03bd \u03b5\u03bb\u03b1\u03c4\u03b7\u03c1\u03af\u03c9\u03bd \u03b4\u03ad\u03bd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03ce\u03bc\u03b1\u03c4\u03b1 \u03a31 \u03bc\u03ac\u03b6\u03b1\u03c2 m1 \u03ba\u03b1\u03b9 \u03a32 \u03bc\u03ac\u03b6\u03b1\u03c2 m2. \u039a\u03ac\u03c4\u03c9 \u03b1\u03c0\u03cc \u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 \u03a31 \u03b4\u03ad\u03bd\u03bf\u03c5\u03bc\u03b5 \u03bc\u03ad\u03c3\u03c9 \u03b1\u03b2\u03b1\u03c1\u03bf\u03cd\u03c2 \u03bd\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2 \u03ac\u03bb\u03bb\u03bf \u03c3\u03ce\u03bc\u03b1 \u03bc\u03ac\u03b6\u03b1\u03c2 m2, \u03b5\u03bd\u03ce \u03ba\u03ac\u03c4\u03c9 \u03b1\u03c0\u03cc \u03c4\u03bf \u03a32 \u03c3\u03ce\u03bc\u03b1 \u03bc\u03ac\u03b6\u03b1\u03c2 m1 (m1\u2260m2), \u03cc\u03c0\u03c9\u03c2 \u03c6\u03b1\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf \u03c3\u03c7\u03ae\u03bc\u03b1. \n\u0391\u03c1\u03c7\u03b9\u03ba\u03ac \u03c4\u03b1 \u03c3\u03ce\u03bc\u03b1\u03c4\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03ba\u03af\u03bd\u03b7\u03c4\u03b1. \u039a\u03ac\u03c0\u03bf\u03b9\u03b1 \u03c3\u03c4\u03b9\u03b3\u03bc\u03ae \u03ba\u03cc\u03b2\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b1 \u03bd\u03ae\u03bc\u03b1\u03c4\u03b1 \u03ba\u03b1\u03b9 \u03c4\u03b1 \u03c3\u03ce\u03bc\u03b1\u03c4\u03b1 \u03a31 \u03ba\u03b1\u03b9 \u03a32 \u03b1\u03c1\u03c7\u03af\u03b6\u03bf\u03c5\u03bd \u03bd\u03b1 \u03c4\u03b1\u03bb\u03b1\u03bd\u03c4\u03ce\u03bd\u03bf\u03bd\u03c4\u03b1\u03b9. \u0391\u03bd \u03b7 \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1 \u03c4\u03b7\u03c2 \u03c4\u03b1\u03bb\u03ac\u03bd\u03c4\u03c9\u03c3\u03b7\u03c2 \u03c4\u03bf\u03c5 \u03a31 \u03b5\u03af\u03bd\u03b1\u03b9 \u03951 \u03ba\u03b1\u03b9 \u03c4\u03bf\u03c5 \u03a32 \u03b5\u03af\u03bd\u03b1\u03b9 \u03952, \u03c4\u03cc\u03c4\u03b5:","options":["E1\/E2 = m2\/m1","E1\/E2 = m2^2 \/m1^2","E1\/E2 = 1","\u03ba\u03b1\u03bd\u03ad\u03bd\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b1 \u03c0\u03b1\u03c1\u03b1\u03c0\u03ac\u03bd\u03c9"],"answer":1,"image_png":"physics_2011_b1_q.png","image_information":"useful","image_type":"figure","parallel_question":null},{"language":"el","country":"Greece","file_name":"fusiki_2011.pdf","source":"https:\/\/www.panellinies.net\/%cf%86%cf%85%cf%83%ce%b9%ce%ba%ce%ae-%ce%ba%ce%b1%cf%84%ce%b5%cf%8d%ce%b8%cf%85%ce%bd%cf%83%ce%b7%cf%82\/","license":"open","level":"University entrance exams","category_en":"Physics","category_original_lang":"\u03a6\u03c5\u03c3\u03b9\u03ba\u03ae","original_question_num":"B3","question":"\u2206\u03cd\u03bf \u03c3\u03ce\u03bc\u03b1\u03c4\u03b1, \u03c4\u03bf \u0391 \u03bc\u03b5 \u03bc\u03ac\u03b6\u03b1 m1 \u03ba\u03b1\u03b9 \u03c4\u03bf \u0392 \u03bc\u03b5 \u03bc\u03ac\u03b6\u03b1 m2, \u03b5\u03af\u03bd\u03b1\u03b9 \u03b4\u03b9\u03b1\u03c1\u03ba\u03ce\u03c2 \u03c3\u03b5 \u03b5\u03c0\u03b1\u03c6\u03ae \u03ba\u03b1\u03b9 \u03ba\u03b9\u03bd\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03bb\u03b5\u03af\u03bf \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03bf \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf \u03bc\u03b5 \u03c4\u03b7\u03bd \u03af\u03b4\u03b9\u03b1 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 \u03c5. \u03a4\u03b1 \u03c3\u03ce\u03bc\u03b1\u03c4\u03b1 \u03c3\u03c5\u03b3\u03ba\u03c1\u03bf\u03cd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03ba\u03b5\u03bd\u03c4\u03c1\u03b9\u03ba\u03ac \u03bc\u03b5 \u03c3\u03ce\u03bc\u03b1 \u0393 \u03bc\u03ac\u03b6\u03b1\u03c2 4m1, \u03c4\u03bf \u03bf\u03c0\u03bf\u03af\u03bf \u03b1\u03c1\u03c7\u03b9\u03ba\u03ac \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03ba\u03af\u03bd\u03b7\u03c4\u03bf. \n\n\u039c\u03b5\u03c4\u03ac \u03c4\u03b7\u03bd \u03ba\u03c1\u03bf\u03cd\u03c3\u03b7 \u03c4\u03bf \u0391 \u03c3\u03c4\u03b1\u03bc\u03b1\u03c4\u03ac, \u03b5\u03bd\u03ce \u03c4\u03bf \u0392 \u03ba\u03bf\u03bb\u03bb\u03ac\u03b5\u03b9 \u03c3\u03c4\u03bf \u0393 \u03ba\u03b1\u03b9 \u03c4\u03bf \u03c3\u03c5\u03c3\u03c3\u03c9\u03bc\u03ac\u03c4\u03c9\u03bc\u03b1 \u03b1\u03c5\u03c4\u03cc \u03ba\u03b9\u03bd\u03b5\u03af\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 \u03c5\/3. \u03a4\u03cc\u03c4\u03b5 \u03b8\u03b1 \u03b9\u03c3\u03c7\u03cd\u03b5\u03b9:","options":["m1\/m2 = 2","m1\/m2 = 1\/2","m1\/m2 = 1","\u03ba\u03b1\u03bd\u03ad\u03bd\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b1 \u03c0\u03b1\u03c1\u03b1\u03c0\u03ac\u03bd\u03c9"],"answer":0,"image_png":"physics_2011_b3_q.png","image_information":"useful","image_type":"figure","parallel_question":null},{"language":"el","country":"Greece","file_name":"fusiki_2010.pdf","source":"https:\/\/www.panellinies.net\/%cf%86%cf%85%cf%83%ce%b9%ce%ba%ce%ae-%ce%ba%ce%b1%cf%84%ce%b5%cf%8d%ce%b8%cf%85%ce%bd%cf%83%ce%b7%cf%82\/","license":"open","level":"University entrance exams","category_en":"Physics","category_original_lang":"\u03a6\u03c5\u03c3\u03b9\u03ba\u03ae","original_question_num":"B2","question":"\u2206\u03af\u03c3\u03ba\u03bf\u03c2 \u03bc\u03ac\u03b6\u03b1\u03c2 \u039c \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03c4\u03b5\u03c1\u03b5\u03c9\u03bc\u03ad\u03bd\u03bf\u03c2 \u03c3\u03c4\u03bf \u03c0\u03ac\u03bd\u03c9 \u03ac\u03ba\u03c1\u03bf \u03ba\u03b1\u03c4\u03b1\u03ba\u03cc\u03c1\u03c5\u03c6\u03bf\u03c5 \u03b9\u03b4\u03b1\u03bd\u03b9\u03ba\u03bf\u03cd \u03b5\u03bb\u03b1\u03c4\u03b7\u03c1\u03af\u03bf\u03c5 \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ac\u03c2 k, \u03ba\u03b1\u03b9 \u03b9\u03c3\u03bf\u03c1\u03c1\u03bf\u03c0\u03b5\u03af (\u03cc\u03c0\u03c9\u03c2 \u03c3\u03c4\u03bf \u03c3\u03c7\u03ae\u03bc\u03b1). \u03a4\u03bf \u03ac\u03bb\u03bb\u03bf \u03ac\u03ba\u03c1\u03bf \u03c4\u03bf\u03c5 \u03b5\u03bb\u03b1\u03c4\u03b7\u03c1\u03af\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03c4\u03b5\u03c1\u03b5\u03c9\u03bc\u03ad\u03bd\u03bf \u03c3\u03c4\u03bf \u03ad\u03b4\u03b1\u03c6\u03bf\u03c2. \u03a3\u03c4\u03bf \u03b4\u03af\u03c3\u03ba\u03bf \u03c4\u03bf\u03c0\u03bf\u03b8\u03b5\u03c4\u03bf\u03cd\u03bc\u03b5 \u03c7\u03c9\u03c1\u03af\u03c2 \u03b1\u03c1\u03c7\u03b9\u03ba\u03ae \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 \u03c3\u03ce\u03bc\u03b1 \u03bc\u03ac\u03b6\u03b1\u03c2 m. \u03a4\u03bf \u03c3\u03cd\u03c3\u03c4\u03b7\u03bc\u03b1 \u03b5\u03ba\u03c4\u03b5\u03bb\u03b5\u03af \u03b1\u03c0\u03bb\u03ae \u03b1\u03c1\u03bc\u03bf\u03bd\u03b9\u03ba\u03ae \u03c4\u03b1\u03bb\u03ac\u03bd\u03c4\u03c9\u03c3\u03b7. \u0397 \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1 \u03c4\u03b7\u03c2 \u03c4\u03b1\u03bb\u03ac\u03bd\u03c4\u03c9\u03c3\u03b7\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9:","options":["(1\/2) * ((m^2 g^2) \/ k)","(1\/2) * ((M^2 g^2) \/ k)","(1\/2) * (((M+m)^2 g^2) \/ k)","\u03ba\u03b1\u03bd\u03ad\u03bd\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b1 \u03c0\u03b1\u03c1\u03b1\u03c0\u03ac\u03bd\u03c9"],"answer":0,"image_png":"physics_2010_b2_q.png","image_information":"useful","image_type":"figure","parallel_question":null},{"language":"el","country":"Greece","file_name":"fusiki_2010.pdf","source":"https:\/\/www.panellinies.net\/%cf%86%cf%85%cf%83%ce%b9%ce%ba%ce%ae-%ce%ba%ce%b1%cf%84%ce%b5%cf%8d%ce%b8%cf%85%ce%bd%cf%83%ce%b7%cf%82\/","license":"open","level":"University entrance exams","category_en":"Physics","category_original_lang":"\u03a6\u03c5\u03c3\u03b9\u03ba\u03ae","original_question_num":"B3","question":"\u2206\u03cd\u03bf \u03c3\u03ce\u03bc\u03b1\u03c4\u03b1 \u03bc\u03b5 \u03bc\u03ac\u03b6\u03b5\u03c2 m1=2 kg \u03ba\u03b1\u03b9 m2=3 kg \u03ba\u03b9\u03bd\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03c7\u03c9\u03c1\u03af\u03c2 \u03c4\u03c1\u03b9\u03b2\u03ad\u03c2 \u03c3\u03c4\u03bf \u03af\u03b4\u03b9\u03bf \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03bf \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf \u03ba\u03b1\u03b9 \u03c3\u03b5 \u03ba\u03ac\u03b8\u03b5\u03c4\u03b5\u03c2 \u03b4\u03b9\u03b5\u03c5\u03b8\u03cd\u03bd\u03c3\u03b5\u03b9\u03c2 \u03bc\u03b5 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b5\u03c2 \u03c51=4 m\/s \u03ba\u03b1\u03b9 \u03c52=2 m\/s (\u03cc\u03c0\u03c9\u03c2 \u03c3\u03c4\u03bf \u03c3\u03c7\u03ae\u03bc\u03b1) \u03ba\u03b1\u03b9 \u03c3\u03c5\u03b3\u03ba\u03c1\u03bf\u03cd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c0\u03bb\u03b1\u03c3\u03c4\u03b9\u03ba\u03ac. \u0397 \u03ba\u03b9\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1 \u03c4\u03bf\u03c5 \u03c3\u03c5\u03c3\u03c3\u03c9\u03bc\u03b1\u03c4\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9:","options":["5 J","10 J","20 J","\u03ba\u03b1\u03bd\u03ad\u03bd\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b1 \u03c0\u03b1\u03c1\u03b1\u03c0\u03ac\u03bd\u03c9"],"answer":1,"image_png":"physics_2010_b3_q.png","image_information":"useful","image_type":"figure","parallel_question":null},{"language":"el","country":"Greece","file_name":"fusiki_2009.pdf","source":"https:\/\/www.panellinies.net\/%cf%86%cf%85%cf%83%ce%b9%ce%ba%ce%ae-%ce%ba%ce%b1%cf%84%ce%b5%cf%8d%ce%b8%cf%85%ce%bd%cf%83%ce%b7%cf%82\/","license":"open","level":"University entrance exams","category_en":"Physics","category_original_lang":"\u03a6\u03c5\u03c3\u03b9\u03ba\u03ae","original_question_num":"B1","question":"\u039f \u03b4\u03af\u03c3\u03ba\u03bf\u03c2 \u03c4\u03bf\u03c5 \u03c3\u03c7\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2 \u03ba\u03c5\u03bb\u03af\u03b5\u03c4\u03b1\u03b9 \u03c7\u03c9\u03c1\u03af\u03c2 \u03bd\u03b1 \u03bf\u03bb\u03b9\u03c3\u03b8\u03b1\u03af\u03bd\u03b5\u03b9 \u03c3\u03b5 \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03bf \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf. \u0397 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 \u03c4\u03bf\u03c5 \u03ba\u03ad\u03bd\u03c4\u03c1\u03bf\u03c5 \u03c4\u03bf\u03c5 \u039f \u03b5\u03af\u03bd\u03b1\u03b9 \u03c5\u03bf. \u03a4\u03bf \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u0391 \u03b2\u03c1\u03af\u03c3\u03ba\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b7\u03bd \u03c0\u03b5\u03c1\u03b9\u03c6\u03ad\u03c1\u03b5\u03b9\u03b1 \u03c4\u03bf\u03c5 \u03b4\u03af\u03c3\u03ba\u03bf\u03c5 \u03ba\u03b1\u03b9 \u03c4\u03bf \u0391\u039f \u03b5\u03af\u03bd\u03b1\u03b9 \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03bf. \u0397 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 \u03c4\u03bf\u03c5 \u03c3\u03b7\u03bc\u03b5\u03af\u03bf\u03c5 \u0391 \u03ad\u03c7\u03b5\u03b9 \u03bc\u03ad\u03c4\u03c1\u03bf","options":["\u03c5_\u0391=2 \u03c5_\u03bf ","\u03c5_\u0391= sqrt{2} \u03c5_\u03bf ","\u03c5_\u0391=\u03c5_\u03bf","\u03ba\u03b1\u03bd\u03ad\u03bd\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b1 \u03c0\u03b1\u03c1\u03b1\u03c0\u03ac\u03bd\u03c9"],"answer":1,"image_png":"physics_2009_b1_q.png","image_information":"essential","image_type":"figure","parallel_question":null},{"language":"el","country":"Greece","file_name":"fusiki_2007.pdf","source":"https:\/\/www.panellinies.net\/%cf%86%cf%85%cf%83%ce%b9%ce%ba%ce%ae-%ce%ba%ce%b1%cf%84%ce%b5%cf%8d%ce%b8%cf%85%ce%bd%cf%83%ce%b7%cf%82\/","license":"open","level":"University entrance exams","category_en":"Physics","category_original_lang":"\u03a6\u03c5\u03c3\u03b9\u03ba\u03ae","original_question_num":"B3","question":"\u039a\u03bf\u03bb\u03c5\u03bc\u03b2\u03b7\u03c4\u03ae\u03c2 \u03b2\u03c1\u03af\u03c3\u03ba\u03b5\u03c4\u03b1\u03b9 \u03ba\u03ac\u03c4\u03c9 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1 \u03c4\u03b7\u03c2 \u03b8\u03ac\u03bb\u03b1\u03c3\u03c3\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03c0\u03b1\u03c1\u03b1\u03c4\u03b7\u03c1\u03b5\u03af \u03c4\u03bf\u03bd \u03ae\u03bb\u03b9\u03bf. \u0397 \u03b8\u03ad\u03c3\u03b7 \u03c0\u03bf\u03c5 \u03c4\u03bf\u03bd \u03b2\u03bb\u03ad\u03c0\u03b5\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9","options":["\u03c0\u03b9\u03bf \u03c8\u03b7\u03bb\u03ac \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae \u03c4\u03bf\u03c5 \u03b8\u03ad\u03c3\u03b7.","\u03af\u03b4\u03b9\u03b1 \u03bc\u03b5 \u03c4\u03b7\u03bd \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae \u03c4\u03bf\u03c5 \u03b8\u03ad\u03c3\u03b7.","\u03c0\u03b9\u03bf \u03c7\u03b1\u03bc\u03b7\u03bb\u03ac \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae \u03c4\u03bf\u03c5 \u03b8\u03ad\u03c3\u03b7.","\u03ba\u03b1\u03bd\u03ad\u03bd\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b1 \u03c0\u03b1\u03c1\u03b1\u03c0\u03ac\u03bd\u03c9."],"answer":0,"image_png":"physics_2007_b3_q.png","image_information":"useful","image_type":"figure","parallel_question":null},{"language":"el","country":"Greece","file_name":"fusiki_2006.pdf","source":"https:\/\/www.panellinies.net\/%cf%86%cf%85%cf%83%ce%b9%ce%ba%ce%ae-%ce%ba%ce%b1%cf%84%ce%b5%cf%8d%ce%b8%cf%85%ce%bd%cf%83%ce%b7%cf%82\/","license":"open","level":"University entrance exams","category_en":"Physics","category_original_lang":"\u03a6\u03c5\u03c3\u03b9\u03ba\u03ae","original_question_num":"A1","question":"\u03a3\u03c4\u03bf \u03ba\u03cd\u03ba\u03bb\u03c9\u03bc\u03b1 \u03c4\u03c9\u03bd \u03b5\u03be\u03b1\u03bd\u03b1\u03b3\u03ba\u03b1\u03c3\u03bc\u03ad\u03bd\u03c9\u03bd \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03ce\u03bd \u03c4\u03b1\u03bb\u03b1\u03bd\u03c4\u03ce\u03c3\u03b5\u03c9\u03bd \u03c4\u03bf\u03c5 \u03c3\u03c7\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2","options":["\u03c4\u03bf \u03c0\u03bb\u03ac\u03c4\u03bf\u03c2 \u0399 \u03c4\u03b7\u03c2 \u03ad\u03bd\u03c4\u03b1\u03c3\u03b7\u03c2 \u03c4\u03bf\u03c5 \u03c1\u03b5\u03cd\u03bc\u03b1\u03c4\u03bf\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03bd\u03b5\u03be\u03ac\u03c1\u03c4\u03b7\u03c4\u03bf \u03c4\u03b7\u03c2 \u03c3\u03c5\u03c7\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03c4\u03b7\u03c2 \u03b5\u03bd\u03b1\u03bb\u03bb\u03b1\u03c3\u03c3\u03cc\u03bc\u03b5\u03bd\u03b7\u03c2 \u03c4\u03ac\u03c3\u03b7\u03c2.","\u03b7 \u03c3\u03c5\u03c7\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03b7\u03c2 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03ae\u03c2 \u03c4\u03b1\u03bb\u03ac\u03bd\u03c4\u03c9\u03c3\u03b7\u03c2 \u03c4\u03bf\u03c5 \u03ba\u03c5\u03ba\u03bb\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03ac\u03bd\u03c4\u03bf\u03c4\u03b5 \u03af\u03c3\u03b7 \u03bc\u03b5 \u03c4\u03b7\u03bd \u03b9\u03b4\u03b9\u03bf\u03c3\u03c5\u03c7\u03bd\u03cc\u03c4\u03b7\u03c4\u03ac \u03c4\u03bf\u03c5.","\u03b7 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\u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1\u03c2 \u03c3\u03c4\u03bf \u03ba\u03cd\u03ba\u03bb\u03c9\u03bc\u03b1 \u03ba\u03b1\u03c4\u03ac \u03c4\u03bf \u03b2\u03ad\u03bb\u03c4\u03b9\u03c3\u03c4\u03bf \u03c4\u03c1\u03cc\u03c0\u03bf."],"answer":3,"image_png":"physics_2006_a1_q.png","image_information":"essential","image_type":"figure","parallel_question":null},{"language":"el","country":"Greece","file_name":"fusiki_2006.pdf","source":"https:\/\/www.panellinies.net\/%cf%86%cf%85%cf%83%ce%b9%ce%ba%ce%ae-%ce%ba%ce%b1%cf%84%ce%b5%cf%8d%ce%b8%cf%85%ce%bd%cf%83%ce%b7%cf%82\/","license":"open","level":"University entrance exams","category_en":"Physics","category_original_lang":"\u03a6\u03c5\u03c3\u03b9\u03ba\u03ae","original_question_num":"B1","question":"\u03a3\u03b5 \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u03b5\u03c5\u03b8\u03b5\u03af\u03b1\u03c2 \u03b5 \u03b2\u03c1\u03af\u03c3\u03ba\u03b5\u03c4\u03b1\u03b9 \u03b1\u03ba\u03af\u03bd\u03b7\u03c4\u03b7 \u03b7\u03c7\u03b7\u03c4\u03b9\u03ba\u03ae \u03c0\u03b7\u03b3\u03ae S \u03c0\u03bf\u03c5 \u03b5\u03ba\u03c0\u03ad\u03bc\u03c0\u03b5\u03b9 \u03ae\u03c7\u03bf \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ae\u03c2 \u03c3\u03c5\u03c7\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2. \u03a0\u03ac\u03bd\u03c9 \u03c3\u03c4\u03b7\u03bd \u03af\u03b4\u03b9\u03b1 \u03b5\u03c5\u03b8\u03b5\u03af\u03b1 \u03b5 \u03c0\u03b1\u03c1\u03b1\u03c4\u03b7\u03c1\u03b7\u03c4\u03ae\u03c2 \u03ba\u03b9\u03bd\u03b5\u03af\u03c4\u03b1\u03b9 \u03b5\u03ba\u03c4\u03b5\u03bb\u03ce\u03bd\u03c4\u03b1\u03c2 \u03b1\u03c0\u03bb\u03ae \u03b1\u03c1\u03bc\u03bf\u03bd\u03b9\u03ba\u03ae \u03c4\u03b1\u03bb\u03ac\u03bd\u03c4\u03c9\u03c3\u03b7 \u03c0\u03bb\u03ac\u03c4\u03bf\u03c5\u03c2 \u0391, \u03cc\u03c0\u03c9\u03c2 \u03c6\u03b1\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf \u03c3\u03c7\u03ae\u03bc\u03b1. \u0397 \u03c3\u03c5\u03c7\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03bf\u03c5 \u03ae\u03c7\u03bf\u03c5 \u03c0\u03bf\u03c5 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\u03c4\u03b7\u03bd \u03c0\u03b7\u03b3\u03ae.","\u03c3\u03b5 \u03bc\u03af\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03b1\u03ba\u03c1\u03b1\u03af\u03b5\u03c2 \u03b8\u03ad\u03c3\u03b5\u03b9\u03c2 \u03c4\u03b7\u03c2 \u03b1\u03c0\u03bb\u03ae\u03c2 \u03b1\u03c1\u03bc\u03bf\u03bd\u03b9\u03ba\u03ae\u03c2 \u03c4\u03b1\u03bb\u03ac\u03bd\u03c4\u03c9\u03c3\u03b7\u03c2.","\u03ba\u03b1\u03bd\u03ad\u03bd\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b1 \u03c0\u03b1\u03c1\u03b1\u03c0\u03ac\u03bd\u03c9"],"answer":0,"image_png":"physics_2006_b1_q.png","image_information":"essential","image_type":"figure","parallel_question":null},{"language":"el","country":"Greece","file_name":"fusiki_2006.pdf","source":"https:\/\/www.panellinies.net\/%cf%86%cf%85%cf%83%ce%b9%ce%ba%ce%ae-%ce%ba%ce%b1%cf%84%ce%b5%cf%8d%ce%b8%cf%85%ce%bd%cf%83%ce%b7%cf%82\/","license":"open","level":"University entrance exams","category_en":"Physics","category_original_lang":"\u03a6\u03c5\u03c3\u03b9\u03ba\u03ae","original_question_num":"B2","question":"\u03a3\u03c4\u03bf \u03b9\u03b4\u03b1\u03bd\u03b9\u03ba\u03cc \u03ba\u03cd\u03ba\u03bb\u03c9\u03bc\u03b1 LC \u03c4\u03bf\u03c5 \u03c3\u03c7\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2 \u03ad\u03c7\u03bf\u03c5\u03bc\u03b5 \u03b1\u03c1\u03c7\u03b9\u03ba\u03ac \u03c4\u03bf\u03c5\u03c2 \u03b4\u03b9\u03b1\u03ba\u03cc\u03c0\u03c4\u03b5\u03c2 \u22061 \u03ba\u03b1\u03b9 \u22062 \u03b1\u03bd\u03bf\u03b9\u03ba\u03c4\u03bf\u03cd\u03c2. \u039f \u03c0\u03c5\u03ba\u03bd\u03c9\u03c4\u03ae\u03c2 \u03c7\u03c9\u03c1\u03b7\u03c4\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 C1 \u03ad\u03c7\u03b5\u03b9 \u03c6\u03bf\u03c1\u03c4\u03b9\u03c3\u03c4\u03b5\u03af \u03bc\u03ad\u03c3\u03c9 \u03c0\u03b7\u03b3\u03ae\u03c2 \u03c3\u03c5\u03bd\u03b5\u03c7\u03bf\u03cd\u03c2 \u03c4\u03ac\u03c3\u03b7\u03c2 \u03bc\u03b5 \u03c6\u03bf\u03c1\u03c4\u03af\u03bf Q1. T\u03b7 \u03c7\u03c1\u03bf\u03bd\u03b9\u03ba\u03ae \u03c3\u03c4\u03b9\u03b3\u03bc\u03ae to=0 \u03bf \u03b4\u03b9\u03b1\u03ba\u03cc\u03c0\u03c4\u03b7\u03c2 \u22061 \u03ba\u03bb\u03b5\u03af\u03bd\u03b5\u03b9, \u03bf\u03c0\u03cc\u03c4\u03b5 \u03c3\u03c4\u03bf \u03ba\u03cd\u03ba\u03bb\u03c9\u03bc\u03b1 LC1 \u03ad\u03c7\u03bf\u03c5\u03bc\u03b5 \u03b1\u03bc\u03b5\u03af\u03c9\u03c4\u03b7 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03ae \u03c4\u03b1\u03bb\u03ac\u03bd\u03c4\u03c9\u03c3\u03b7. \u03a4\u03b7 \u03c7\u03c1\u03bf\u03bd\u03b9\u03ba\u03ae \u03c3\u03c4\u03b9\u03b3\u03bc\u03ae t1= 5T\/4 , \u03cc\u03c0\u03bf\u03c5 \u03a4 \u03b7 \u03c0\u03b5\u03c1\u03af\u03bf\u03b4\u03bf\u03c2 \u03c4\u03b7\u03c2 \u03c4\u03b1\u03bb\u03ac\u03bd\u03c4\u03c9\u03c3\u03b7\u03c2 \u03c4\u03bf\u03c5 \u03ba\u03c5\u03ba\u03bb\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2 LC1, o \u03b4\u03b9\u03b1\u03ba\u03cc\u03c0\u03c4\u03b7\u03c2 \u22061 \u03b1\u03bd\u03bf\u03af\u03b3\u03b5\u03b9 \u03ba\u03b1\u03b9 \u03c4\u03b1\u03c5\u03c4\u03cc\u03c7\u03c1\u03bf\u03bd\u03b1 \u03ba\u03bb\u03b5\u03af\u03bd\u03b5\u03b9 \u03bf \u22062. \u03a4\u03bf \u03bc\u03ad\u03b3\u03b9\u03c3\u03c4\u03bf \u03c6\u03bf\u03c1\u03c4\u03af\u03bf Q2 \u03c0\u03bf\u03c5 \u03b8\u03b1 \u03b1\u03c0\u03bf\u03ba\u03c4\u03ae\u03c3\u03b5\u03b9 \u03bf \u03c0\u03c5\u03ba\u03bd\u03c9\u03c4\u03ae\u03c2 \u03c7\u03c9\u03c1\u03b7\u03c4\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 C2, \u03cc\u03c0\u03bf\u03c5 C2=4C1, \u03ba\u03b1\u03c4\u03ac \u03c4\u03b7 \u03b4\u03b9\u03ac\u03c1\u03ba\u03b5\u03b9\u03b1 \u03c4\u03b7\u03c2 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03ae\u03c2 \u03c4\u03b1\u03bb\u03ac\u03bd\u03c4\u03c9\u03c3\u03b7\u03c2 \u03c4\u03bf\u03c5 \u03ba\u03c5\u03ba\u03bb\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2 LC2 \u03b8\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03af\u03c3\u03bf \u03bc\u03b5","options":["Q1","Q1\/2","2Q1","\u03ba\u03b1\u03bd\u03ad\u03bd\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b1 \u03c0\u03b1\u03c1\u03b1\u03c0\u03ac\u03bd\u03c9"],"answer":2,"image_png":"physics_2006_b2_q.png","image_information":"essential","image_type":"figure","parallel_question":null},{"language":"el","country":"Greece","file_name":"fusiki_2006.pdf","source":"https:\/\/www.panellinies.net\/%cf%86%cf%85%cf%83%ce%b9%ce%ba%ce%ae-%ce%ba%ce%b1%cf%84%ce%b5%cf%8d%ce%b8%cf%85%ce%bd%cf%83%ce%b7%cf%82\/","license":"open","level":"University entrance exams","category_en":"Physics","category_original_lang":"\u03a6\u03c5\u03c3\u03b9\u03ba\u03ae","original_question_num":"B4","question":"\u03a3\u03b5 \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03bf \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf \u03bf \u03b4\u03af\u03c3\u03ba\u03bf\u03c2 \u03c4\u03bf\u03c5 \u03c3\u03c7\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2 \u03bc\u03b5 \u03b1\u03ba\u03c4\u03af\u03bd\u03b1 R \u03ba\u03c5\u03bb\u03af\u03b5\u03c4\u03b1\u03b9 \u03c7\u03c9\u03c1\u03af\u03c2 \u03bd\u03b1 \u03bf\u03bb\u03b9\u03c3\u03b8\u03b1\u03af\u03bd\u03b5\u03b9 \u03ba\u03b1\u03b9 \u03b7 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 \u03c4\u03bf\u03c5 \u03ba\u03ad\u03bd\u03c4\u03c1\u03bf\u03c5 \u03bc\u03ac\u03b6\u03b1\u03c2 \u03c4\u03bf\u03c5 \u039a \u03b5\u03af\u03bd\u03b1\u03b9 \u03c5_{cm}. H \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 \u03c4\u03bf\u03c5 \u03c3\u03b7\u03bc\u03b5\u03af\u03bf\u03c5 \u03c0\u03bf\u03c5 \u03b2\u03c1\u03af\u03c3\u03ba\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b7 \u03b8\u03ad\u03c3\u03b7 \u0392 \u03c4\u03b7\u03c2 \u03ba\u03b1\u03c4\u03b1\u03ba\u03cc\u03c1\u03c5\u03c6\u03b7\u03c2 \u03b4\u03b9\u03b1\u03bc\u03ad\u03c4\u03c1\u03bf\u03c5 \u03ba\u03b1\u03b9 \u03b1\u03c0\u03ad\u03c7\u03b5\u03b9 \u03b1\u03c0\u03cc\u03c3\u03c4\u03b1\u03c3\u03b7 R\/2 \u03b1\u03c0\u03cc \u03c4\u03bf \u039a \u03b8\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9","options":["3\/1 \u03c5_{cm}","2\/3 \u03c5_{cm}","5\/2 \u03c5_{cm}","\u03ba\u03b1\u03bd\u03ad\u03bd\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b1 \u03c0\u03b1\u03c1\u03b1\u03c0\u03ac\u03bd\u03c9"],"answer":0,"image_png":"physics_2006_b4_q.png","image_information":"essential","image_type":"figure","parallel_question":null},{"language":"el","country":"Greece","file_name":"fusiki_2005.pdf","source":"https:\/\/www.panellinies.net\/%cf%86%cf%85%cf%83%ce%b9%ce%ba%ce%ae-%ce%ba%ce%b1%cf%84%ce%b5%cf%8d%ce%b8%cf%85%ce%bd%cf%83%ce%b7%cf%82\/","license":"open","level":"University entrance exams","category_en":"Physics","category_original_lang":"\u03a6\u03c5\u03c3\u03b9\u03ba\u03ae","original_question_num":"B2","question":"\u2206\u03cd\u03bf \u03af\u03b4\u03b9\u03bf\u03b9 \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03bf\u03b9 \u03ba\u03c5\u03ba\u03bb\u03b9\u03ba\u03bf\u03af \u03b4\u03af\u03c3\u03ba\u03bf\u03b9 (\u03b1) \u03ba\u03b1\u03b9 (\u03b2) \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03bf\u03bb\u03b9\u03c3\u03b8\u03b1\u03af\u03bd\u03bf\u03c5\u03bd \u03c0\u03ac\u03bd\u03c9 \u03c3\u03b5 \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03bf \u03bf\u03c1\u03b8\u03bf\u03b3\u03ce\u03bd\u03b9\u03bf \u03c4\u03c1\u03b1\u03c0\u03ad\u03b6\u03b9 \u0393\u2206\u0395\u0396 \u03c7\u03c9\u03c1\u03af\u03c2 \u03c4\u03c1\u03b9\u03b2\u03ad\u03c2, \u03cc\u03c0\u03c9\u03c2 \u03c3\u03c4\u03bf \u03c3\u03c7\u03ae\u03bc\u03b1. \u0391\u03c1\u03c7\u03b9\u03ba\u03ac \u03bf\u03b9 \u03b4\u03cd\u03bf \u03b4\u03af\u03c3\u03ba\u03bf\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03ba\u03af\u03bd\u03b7\u03c4\u03bf\u03b9 \u03ba\u03b1\u03b9 \u03c4\u03b1 \u03ba\u03ad\u03bd\u03c4\u03c1\u03b1 \u03c4\u03bf\u03c5\u03c2 \u03b1\u03c0\u03ad\u03c7\u03bf\u03c5\u03bd \u03af\u03b4\u03b9\u03b1 \u03b1\u03c0\u03cc\u03c3\u03c4\u03b1\u03c3\u03b7 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03c0\u03bb\u03b5\u03c5\u03c1\u03ac \u0395\u0396. \u038a\u03b4\u03b9\u03b5\u03c2 \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ad\u03c2 \u03b4\u03c5\u03bd\u03ac\u03bc\u03b5\u03b9\u03c2 F \u03bc\u03b5 \u03b4\u03b9\u03b5\u03cd\u03b8\u03c5\u03bd\u03c3\u03b7 \u03c0\u03b1\u03c1\u03ac\u03bb\u03bb\u03b7\u03bb\u03b7 \u03c0\u03c1\u03bf\u03c2 \u03c4\u03b9\u03c2 \u03c0\u03bb\u03b5\u03c5\u03c1\u03ad\u03c2 \u2206\u0395 \u03ba\u03b1\u03b9 \u0393\u0396 \u03b1\u03c3\u03ba\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03c3\u2019 \u03b1\u03c5\u03c4\u03bf\u03cd\u03c2. \u03a3\u03c4\u03bf \u03b4\u03af\u03c3\u03ba\u03bf (\u03b1) \u03b7 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 \u03b1\u03c3\u03ba\u03b5\u03af\u03c4\u03b1\u03b9 \u03c0\u03ac\u03bd\u03c4\u03b1 \u03c3\u03c4\u03bf \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u0391 \u03c4\u03bf\u03c5 \u03b4\u03af\u03c3\u03ba\u03bf\u03c5. \u03a3\u03c4\u03bf \u03b4\u03af\u03c3\u03ba\u03bf (\u03b2) \u03b7 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 \u03b1\u03c3\u03ba\u03b5\u03af\u03c4\u03b1\u03b9 \u03c0\u03ac\u03bd\u03c4\u03b1 \u03c3\u03c4\u03bf \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u0392 \u03c4\u03bf\u03c5 \u03b4\u03af\u03c3\u03ba\u03bf\u03c5. \u0391\u03bd \u03bf \u03b4\u03af\u03c3\u03ba\u03bf\u03c2 (\u03b1) \u03c7\u03c1\u03b5\u03b9\u03ac\u03b6\u03b5\u03c4\u03b1\u03b9 \u03c7\u03c1\u03cc\u03bd\u03bf t\u03b1 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03c6\u03c4\u03ac\u03c3\u03b5\u03b9 \u03c3\u03c4\u03b7\u03bd \u03b1\u03c0\u03ad\u03bd\u03b1\u03bd\u03c4\u03b9 \u03c0\u03bb\u03b5\u03c5\u03c1\u03ac \u0395\u0396, \u03b5\u03bd\u03ce \u03bf \u03b4\u03af\u03c3\u03ba\u03bf\u03c2 (\u03b2) \u03c7\u03c1\u03cc\u03bd\u03bf t\u03b2, \u03c4\u03cc\u03c4\u03b5:","options":["t\u03b1 > t\u03b2 ","t\u03b1 = t\u03b2 ","t\u03b1 < t\u03b2","\u03ba\u03b1\u03bd\u03ad\u03bd\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b1 \u03c0\u03b1\u03c1\u03b1\u03c0\u03ac\u03bd\u03c9"],"answer":1,"image_png":"physics_2005_b2_q.png","image_information":"useful","image_type":"figure","parallel_question":null},{"language":"el","country":"Greece","file_name":"fusiki_2024_epan.pdf","source":"https:\/\/www.panellinies.net\/%cf%86%cf%85%cf%83%ce%b9%ce%ba%ce%ae-%ce%ba%ce%b1%cf%84%ce%b5%cf%8d%ce%b8%cf%85%ce%bd%cf%83%ce%b7%cf%82\/","license":"open","level":"University entrance exams","category_en":"Physics","category_original_lang":"\u03a6\u03c5\u03c3\u03b9\u03ba\u03ae","original_question_num":"A1","question":"\u03a4\u03bf \u03ba\u03cd\u03ba\u03bb\u03c9\u03bc\u03b1 \u03c4\u03bf\u03c5 \u03b4\u03b9\u03c0\u03bb\u03b1\u03bd\u03bf\u03cd \u03c3\u03c7\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03af\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c0\u03b7\u03b3\u03ae \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b5\u03b3\u03b5\u03c1\u03c4\u03b9\u03ba\u03ae\u03c2 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7\u03c2 (\u0397\u0395\u0394) \u0395 \u03ba\u03b1\u03b9 \u03b5\u03c3\u03c9\u03c4\u03b5\u03c1\u03b9\u03ba\u03ae\u03c2 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03b1\u03c3\u03b7\u03c2 r, \u03b9\u03b4\u03b1\u03bd\u03b9\u03ba\u03cc \u03c0\u03b7\u03bd\u03af\u03bf \u0393\u0394, \u03b1\u03bd\u03c4\u03b9\u03c3\u03c4\u03ac\u03c4\u03b7 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03b1\u03c3\u03b7\u03c2 R \u03ba\u03b1\u03b9 \u03b4\u03b9\u03b1\u03ba\u03cc\u03c0\u03c4\u03b7 \u03b4, \u03bf \u03bf\u03c0\u03bf\u03af\u03bf\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03c1\u03c7\u03b9\u03ba\u03ac \u03b1\u03bd\u03bf\u03b9\u03ba\u03c4\u03cc\u03c2. \u0391\u03bd \u03c4\u03b7 \u03c7\u03c1\u03bf\u03bd\u03b9\u03ba\u03ae \u03c3\u03c4\u03b9\u03b3\u03bc\u03ae t = 0 \u03ba\u03bb\u03b5\u03af\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c4\u03bf \u03b4\u03b9\u03b1\u03ba\u03cc\u03c0\u03c4\u03b7 \u03c7\u03c9\u03c1\u03af\u03c2 \u03bd\u03b1 \u03b5\u03bc\u03c6\u03b1\u03bd\u03b9\u03c3\u03c4\u03b5\u03af 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\u03ac\u03ba\u03c1\u03bf \u0393 \u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03c1\u03bd\u03b7\u03c4\u03b9\u03ba\u03cc\u03c2 \u03c0\u03cc\u03bb\u03bf\u03c2.","\u03bc\u03b5\u03c4\u03ac \u03b1\u03c0\u03cc \u03b1\u03c1\u03ba\u03b5\u03c4\u03cc \u03c7\u03c1\u03cc\u03bd\u03bf \u03ce\u03c3\u03c4\u03b5 \u03bd\u03b1 \u03ad\u03c7\u03b5\u03b9 \u03b1\u03c0\u03bf\u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03b1\u03b8\u03b5\u03af \u03b7 \u03c4\u03b5\u03bb\u03b9\u03ba\u03ae \u03c4\u03b9\u03bc\u03ae \u03c4\u03b7\u03c2 \u03ad\u03bd\u03c4\u03b1\u03c3\u03b7\u03c2 \u03c4\u03bf\u03c5 \u03c1\u03b5\u03cd\u03bc\u03b1\u03c4\u03bf\u03c2, \u03b7 \u0397\u0395\u0394 \u03b1\u03c0\u03cc \u03b1\u03c5\u03c4\u03b5\u03c0\u03b1\u03b3\u03c9\u03b3\u03ae \u03c3\u03c4\u03bf \u03c0\u03b7\u03bd\u03af\u03bf \u03bc\u03b7\u03b4\u03b5\u03bd\u03af\u03b6\u03b5\u03c4\u03b1\u03b9.","\u03bc\u03b5\u03c4\u03ac \u03b1\u03c0\u03cc \u03b1\u03c1\u03ba\u03b5\u03c4\u03cc \u03c7\u03c1\u03cc\u03bd\u03bf \u03ce\u03c3\u03c4\u03b5 \u03bd\u03b1 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