A lamp rated at 40. W (1 W = 1 Js 1 ) emits blue light of


A lamp rated at 40. W (1 W = 1 J·s–1) emits blue light of wavelength 470 nm. How many photons of blue light can the lamp generate in 2.0 s? How many moles of photons are emitted in that time interval?

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Chemical Principles The Quest For Insight

ISBN: 9781464183959

7th Edition

Authors: Peter Atkins, Loretta Jones, Leroy Laverman

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