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.
Definition & Synonyms. â¢ Explore. (v. t.) To search through or into; to penetrate or range over for discovery; to examine thoroughly; as, to explore new countries or seas; to explore the depths of science. (v. t.) To seek for or after; to strive to attain by search; to look wisely and carefully for.