Energy and Frequency. Planck showed how the energy of a quantum of light is related is related to its frequency. He defined a constant, known as Planckâs constant, which, when multiplied by the frequency of a light quantum, gives its energy.
curiosity noun (INTEREST). B2 [U] an âeager âwish to âknow or âlearn about something: to âarouse/âexcite/âsatisfy someone's curiosity I'm âburning with curiosity-you must âtell me who âwon! She âdecided to âcall her ex-boyfriend out of curiosity.
Wiktionary(5.00 / 1 vote)Rate this definition: 1  explore(Verb) To seek for something or after someone. 2  explore(Verb) To examine or investigate something systematically. The committee has been exploring alternative solutions to the problem at hand. 3  explore(Verb) To travel somewhere in search of discovery.