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Two closed organ pipes give 10 beats bet...

Two closed organ pipes give `10` beats between the fundamental when sounded together. If the length of the shorter pipe is `1m` then the length of the longer pipe will be (speed of sound in air is `340ms^(-1)`)

A

`2.87 m`

B

`0.87 m`

C

`1.13 m`

D

`2.13 m`

Text Solution

Verified by Experts

The correct Answer is:
C
`(v)/(4)((1)/(l_(1))-(1)/(l_(2)))=10`, Here `l_(1)=1m`, `v=340ms^(-1)`
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