An ultraviolet lamp emits light of wavelength 400 nm at the rate of 400 W. An infrared lamp emits light of wavelength 700 nm, also at the rate of 400 W. (a) Which lamp emits photons at the greater rate and (b) what is that greater rate?

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Chapter39: Introduction To Quantum Physics
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An ultraviolet lamp emits light of wavelength
400 nm at the rate of 400 W. An infrared lamp emits light of wavelength
700 nm, also at the rate of 400 W. (a) Which lamp emits photons
at the greater rate and (b) what is that greater rate?

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