Home Physics Wave and Sound Doppler’s Effect An observer moves towards a stationary sourc…
Physics Wave and Sound Doppler’s Effect MCQ (Single Correct)

An observer moves towards a stationary source of sound, with a velocity one-fifth of the velocity of sound. What is the percentage increase in the apparent frequency?

A
Zero
B
0.5%
C
5%
D
20%

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The correct answer is:
D

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