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A resonance pipe is open at both ends an...

A resonance pipe is open at both ends and 30 cm of its length is in resoance with an external frequency 1.1 kHz.If the speed of sound is `330 m s^(-1)` which harmonic is in resonance?

A

Fourth

B

Third

C

Second

D

First.

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JBD PUBLICATION-Oscillations and Waves-EXAMPLE
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