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.
These verbs mean to look long and intently. Gaze is often indicative of wonder, fascination, awe, or admiration: gazing at the stars; gazing into a lover's eyes. Stare can indicate curiosity, boldness, rudeness, or stupidity: stared closely at the creatures in the aquarium; warned the children not to stare at strangers.