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An open organ pipe of length l is sounde...

An open organ 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 lt lt l)`:

A

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

B

`(vl^2)/(2x)`

C

`(vx)/(2l^2)`

D

`(vx^2)/(2l)`

Text Solution

Verified by Experts

The correct Answer is:
C
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