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A tube closed at one end and containing ...

A tube closed at one end and containing air produced, when excited the fundamental note of frequency `512 H_(Z)`. If the tube is opened at both ends, the fundamental frequency that can be exited is (in `H_(Z)`)
(a) `1024` (b) `512` (c ) `256` (d) `128`

A

1024

B

512

C

256

D

128

Text Solution

Verified by Experts

The correct Answer is:
A
`(v_0)_(closed)=(c)/(4l)=512Hz implies (v_0)_(open)=(c)/(2l)=1024Hz`
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