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Two sound sources are moving in opposite...

Two sound sources are moving in opposite directions with velocities ` v_(1) and v_(2) ( v_(1) gt v_(2))` . Both are moving away from a stationary observer. The frequency of both the sources is 900 Hz. What is the value of ` v_(1) - v_(2)` so that the beat frequency absorbed by the observer is 6 Hz. speed of sound v= 300 m/s given ,that `v_(1) and v_(2) lt lt v `

A

1m/s

B

2m/s

C

3m/s

D

4 m/s

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The correct Answer is:
B
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Two sound sources are moving in opposite directions with velocities v_1 and v_2(v_1gtv_2) . Both are moving away from a stationary observer. The frequency of both the sources is 900 Hz. What is the value of v_1-v_2 so that the beat frequency observed by the observer is 6 Hz? Speed of sound v=300(m)/(s) . Given that v_1 and v_2ltltltv .

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