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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:
A, B, D
In general we can write for a closed end pipe
`v =((2n-1)c)/(4l)`
where `n =1,2,3,...`
:. `v = (c)/(4l),(3c)/(4l),(5c)/(4),...`
`= 80,240,400,…`
.
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