Physics · Waves and Acoustics
A sound wave of frequency f propagating through air with a velocity c is reflected from a surface moving away from the source with a constant speed v. The frequency of the reflected wave, as measured by an observer at the position of the source, is given by:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1f(c - v) c + v✓
- 2f(c + v) c - v
- 3f(c + 2v) c + v
- 4f(c + v) c - 2v
Correct answer
f(c - v) c + v
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