SAT Subject Physics Practice Question 641: Answer and Explanation

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Question: 641

7. Which wave characteristic describes the product of the frequency and the wavelength?

A. Frequency
B. Amplitude
C. Wavelength
D. Velocity
E. Period

Correct Answer: D


The correct answer is (D). Wavelength has the units meters/wave and frequency has the units waves/second. The product of the two produces a velocity unit

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