Fundamentholfundamenthol
JEE Main2019Physics
Q.

Two sources of sound S1 and S2 produce sound waves of same frequency 660 Hz. A listener is moving from source S1 towards S2 with a constant speed u m/s and he hears 10 beats / s. The velocity of sound is 330 m/s. Then, u equals: 

  1. A

    10.0 m/s

  2. B

    5.5 m/s 

  3. C

    2.5 m/s

  4. D

    15.0 m/s 

Solution

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