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Two pipes P(1) and P(2) are closed and o...

Two pipes `P_(1)` and `P_(2)` are closed and open respectively. `P_(1)` has a length of `0.3 m`. Find the length of `P_(2)`, if third harmonic of `P_(1)` is same as first harmonic of `P_(2)`.

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The correct Answer is:
`20 cm`
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RESONANCE-SOUND WAVES-Exercise- 1 PART - I
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