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A tuning fork of frequency 380 Hz is mov...


A tuning fork of frequency 380 Hz is moving towards a wall with a velocity of `4(m)/(s)` Then the number of beats heard by a stationary listener between direct and reflected sound will be (velocity of sound in air is `340(m)/(s)`)

A

0

B

5

C

7

D

10

Text Solution

Verified by Experts

The correct Answer is:
A
The frequency of direct and reflected sound is same.
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