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MHT CET Physics question

PhysicsWavesMHT CET

A bus is moving with a velocity of towards a huge wall. The driver sounds a horn of frequency 165 Hz. If the speed of sound in air is , the number of beats heard per second by a passenger inside the bus will be

Answer: (C)

Solution

The passenger hears the direct horn at 165 Hz and the wall echo at

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Question ID VK-070350