SAT Subject Physics Practice Question 545: Answer and Explanation

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Question: 545

1. The processes of constructive interference and destructive interference occur in

A. cosmic rays.
B. light rays.
C. sound waves.
D. water waves.
E. all of these.

Correct Answer: E


The correct answer is (E). All of the choices exhibit a wave nature at some time. All waves can interfere with one another, either constructively or destructively.

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