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An engine driver moving towards a wall w...

An engine driver moving towards a wall with a velocity of `60 m//s` emits a note of 1400 Hz. Speed of sound in air is `340 m//s`. The frequency of the note after reflection from the wall as heard by the engine driver is

A

1600 Hz

B

1200 Hz

C

1000 Hz

D

2000 Hz

Text Solution

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The correct Answer is:
A
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