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MHT CET Physics question

PhysicsWavesMHT CET

Statement 1: The whistle of an approaching engine appears to be shriller than that of a receding engine Statement 2: This is due to Doppler effect, which states that if a source of sound approaches the observer, the frequency of sound increases and if the source recedes the observer, the frequency of sound decreases

Answer: (A)

Solution

Both statements are true: an approaching source gives higher apparent frequency (shriller) and a receding one lower, and

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Question ID VK-070062