Consider the Doppler effect in two cases. In the first case, an observer moves towards a stationary source of sound with a speed of 50 m/s. In the second case, the observer is at rest and the source moves towards the observer with the same speed of 50 m/s. Then the frequency heard by the observer will be [velocity of sound in air = 330 m/s]:

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Physics · Waves and Acoustics

Verified Solution4 OptionsUpdated: October 2026👁️1 View

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more in the second case than in the first case.

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Answer 1

same in both the cases.

Answer 2

more in the second case than in the first case.

Answer 3

less in the second case than in the first case.

Answer 4

less than the actual frequency in both the cases.

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