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.
By 15 May 1924, the proverb appears to have been well known, as this quote from The Jewell Record newspaper (page 3) indicates: Come May 19th and 21st and see this puzzle completed. As the saying goes Curiosity killed a cat, satisfaction brought it back.. Curiosity killed the cat But satisfaction brought it back In terms of this cat, as a matter of fact I'll meet you at the old mouse hole I'll meet you at the old mouse hole.