SAT Subject Physics Practice Question 548: Answer and Explanation

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Question: 548

4. A photon of light from which of the following electromagnetic radiations carries the greater amount of energy?

A. Blue
B. Green
C. Orange
D. Red
E. Yellow

Correct Answer: A


The correct answer is (A). The higher the frequency of the light waves, the higher the energy of the photons. Of the choices presented, blue light has the highest frequency.

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