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A closed organ pipe can vibrate at a min...

A closed organ pipe can vibrate at a minimum frequency of 500 Hz. Find the length of the tube. Speed of sound in air `= 340 m s^-1`.

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The correct Answer is:
A, C
According to the questions `V=340 m/s, n=500Hz`
We know that
`n=V/(4I) `{for closed pipe)`
`rarr I=340/(4xx500)m=17cm`
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