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The frequency of the sound emitted by th...

The frequency of the sound emitted by the source changes by 20 % as it approaches the observer . At it receds away from the observer , the apparent frequency will differ from the actual frequency by

A

0.2

B

`17.4`%

C

`16.67`%

D

`14.3`%

Text Solution

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The correct Answer is:
D
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