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MHT CET Physics question

PhysicsWavesMHT CET

If a stationary observer notes a change of 25% in the frequency of a whistle of an engine coming towards him, then the velocity of the engine is (velocity of sound = 332 m/s)

Answer: (A)

Solution

m/s; 64 m/s, 60 km/h (16.7

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Question ID VK-070118