MHT CET Physics question
A bus is moving with a velocity of 5 m/s towards a wall. The driver blows the horn of frequency 165 Hz. If the speed of sound in air is 335 m/s, then after reflection of sound wave, the number of beats per second heard by the passengers in the bus will be [MHT-CET 2022]
Answer: (A)
Solution
The reflected sound is heard at Hz, while the direct sound moving with the bus stays at 165 Hz,
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