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An air column in a pipe, which is closed...

An air column in a pipe, which is closed at one end, will be in resonance with a vibaring tuning fork of frequency 264 Hz, if the length of the column in cm is (Speed of sound = 330 m/s)

A

`31.25 `

B

`62.5`

C

`93.75`

D

`25`

Text Solution

Verified by Experts

The correct Answer is:
A

` f = (v)/( 4 l) or l = (v)/( 4 f) = ( 330)/( 4 xx 264) m`
`= 0.3125 m = 31.25 cm`
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