k8dmontgomery k8dmontgomery

07-11-2022
Geography

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What is the approximate frequency of a photon having an energy 2 x 10−20 J?
(h = 6.6 x 10−34 Js)
A. 1 x 1014 Hz
B. 3 x 1013 Hz
C. 1 x 10−53 Hz

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