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MHT CET Physics question

PhysicsWavesMHT CET

When the observer moves towards the stationary source with velocity , the apparent frequency of emitted note is . When the observer moves away from the source with velocity , the apparent frequency is . If is the velocity of sound in air and , then [MHTCET 2016, MHTCET 2016]

Answer: (B)

Solution

gives , so and ; the

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Question ID VK-068677