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.
Hypernyms (wonder is a kind of...): cognitive state; state of mind (the state of a person's cognitive processes) Hyponyms (each of the following is a kind of wonder): desire to know; lust for learning; thirst for knowledge (curiosity that motivates investigation and study) interest; involvement (a sense of concern with and curiosity about someone or something)