SAT Subject Physics Practice Question 482: Answer and Explanation

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Question: 482

13. The frequency of a wave is 4 cycles per second, and its speed is .08 meters per second.

What is the wavelength of one of the waves?

A. .25 seconds
B. .55 seconds
C. 3.125 seconds
D. .02 seconds
E. 12.55 seconds

Correct Answer: D


The correct answer is (D). The wavelength is found by dividing the frequency of the waves into the velocity of the waves λ = v/f.

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