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A car moving at 20 m//s with its horn bl...

A car moving at `20 m//s` with its horn blowing (n = 1200 Hz) is chasing another car going at `15 m//s`. What is the apparent frequency of the horn as heard by the driver being chased? Take the speed of the sound to be `340 m//s`:

A

1219 Hz

B

1183 Hz

C

1275 Hz

D

1083 Hz

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The correct Answer is:
A
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MOTION-SOUND WAVES-Exercise - 2
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  15. A band playing music at a frequency f is moving towards a wall at a sp...

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  16. An engine giving whistle is moving towards a stationary observer with ...

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  17. Velocity of sound in air is 332 m//sec . The shortest length of an ope...

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  18. two sound sources are moving in oppostive directions with velocities ...

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