MHT CET Physics question
A car blowing a horn of frequency 350 Hz is moving normally towards a wall with a speed of 5 m/s. The beat frequency heard by a person standing between the car and wall is (speed of sound in air = 350 m/s)
Answer: (A)
Solution
The person is between the car and the wall, so the direct sound from the approaching car has Hz, and the sound reflected from the stationary wall has the same
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