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Velocity of sound in air is 320m//s. A p...

Velocity of sound in air is `320m//s`. A pipe closed at one end has of `1m`. Neglecting end corrections, the air column in air pipe can resonate for sound of frequency :

A

`80 Hz`

B

`240 Hz`

C

`320 Hz`

D

`400 Hz`

Text Solution

Verified by Experts

The correct Answer is:
C
Fundamental frequency `= (v)/(4l) = (320)/(4 xx 1) = 80 Hz`
Frequency of closed pipe are
`= (v)/(4l), (3v)/(4l), (5v)/(4l), …`
`= 80, 240, 400,…`
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