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Velcity of sound in an open organ pipe o...

Velcity of sound in an open organ pipe of 330m/s. The frequency of wave is 1.1 kHz and the length of tube is 30cm. To which harmoninc does this frequency corresponds?
(A)2nd (B)3rd (C)4th (D)5th

A

2nd

B

3rd

C

4th

D

5th

Text Solution

Verified by Experts

The correct Answer is:
A
Fundamental frequency of openn organ pipe is `f_(0)=(v)/(2l)=(330)/(2xx0.3)=550`Hz
the given frequency
`f=1.1kHz=1100Hz=2f_(0)`
Therefore, the given frequency corresponds to `2nd` harmonic.
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