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MHT CET Physics question

PhysicsWavesMHT CET

An engine is moving on a circular path of radius 200 m with speed of 15 m/s. What will be the frequency heard by an observer who is at rest at the centre of the circular path, when engine blows the whistle with frequency 250 Hz? [MHT-CET 2021, MHT-CET 2021]

Answer: (B)

Solution

The velocity of the engine is always perpendicular to the line joining it to the observer at the centre, so its component along the

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Question ID VK-040932