SAT Subject Physics Practice Question 526: Answer and Explanation

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Question: 526

12. Which of the following is an example of a compressional wave?

A. X-ray
B. Cosmic ray
C. Radio wave
D. Light wave
E. Sound wave

Correct Answer: E


The correct answer is (E). Sound waves are propagated in a manner that is parallel to their direction of movement. They are composed of a series of compressions and rarefactions.

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