In a Young’s double-slit experiment, the slit separation is doubled. To maintain the same fringe spacing on the screen, the screen-to-slit distance D must be changed to,
A. 2D
B. \(\frac { D }{ 2 }\)
C. √2D
D. \(\frac { D }{ √2 }\)
Answer:A
In a Young’s double-slit experiment, the slit separation is doubled. To maintain the same fringe spacing on the screen, the screen-to-slit distance D must be changed to,
A. 2D B. \(\frac { D }{ 2 }\) C. √2D D. \(\frac { D }{ √2 }\)