A 200-W infrared laser emits photons with a wavelength of 9.60e-7 m, and a 200-W

Question

A 200-W infrared laser emits photons with a wavelength of 9.60e-7 m, and a 200-W ultraviolet light emits photons with a wavelength of 2.84e-7 m.

(a) Which has greater energy, a single infrared photon or a single ultraviolet photon?
i know this answer is a single ultraviolet photon
.
(b) What is the energy of a single infrared photon? in J

What is the energy of a single ultraviolet photon? in J

(c) How many infrared photons are emitted per second? in photons/s

How many ultraviolet photons are emitted per second? in photons/s

Explanation / Answer

Adapt your numbers. http://www.cramster.com/answers-apr-11/physics/physics-200-infrared-laser-emits-photons-wavelength-8_1241870.aspx PLEASE RATE IF AT ALL HELPFUL.

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