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MHT CET Physics question

PhysicsWavesMHT CET

An observer moves towards a stationary source of sound with a velocity one fifth of the velocity of sound. The percentage increase in the apparent frequency heard by the observer will be [MHT-CET 2023]

Answer: (A)

Solution

, an increase of 20%; 0.5%, 10% and 5% do not

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Question ID VK-068695