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An open pipe of length l is sounded toge...

An open pipe of length l is sounded together with another open organ pipe of length l + x in their fundamental tones. Speed of sound in air is V. The beat frequency heard will be (x << l).

A

`(VX)/(4l^(2))`

B

`(Vl^(2))/(2X)`

C

`(VX)/(2l^(2))`

D

`(VX^(2))/(2l)`

Text Solution

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The correct Answer is:
D
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