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A closed organ pipe and a open organ pip...

A closed organ pipe and a open organ pipe have their first overtone identical in frequency. Their length are in the ratio

A

`1:2`

B

`2:3`

C

`3:4`

D

`4:5`

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The correct Answer is:
C
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BINA LIBRARY-WAVES-EXERCISE
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  13. A string when attached by a weight of 4 Kg weight give a note of frequ...

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