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MHT CET Physics question

PhysicsWavesMHT CET

A car sounding its horn at 480 Hz moves towards a high wall at a speed of , the frequency of the reflected sound heard by the man sitting in the car will be nearest to (Take, speed of sound = )

Answer: (C)

Solution

The wall receives Hz (source moving towards the wall); the wall re-radiates this, and the car (observer moving towards it) hears

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Question ID VK-068620