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A cylindrical tube, open at the both end...

A cylindrical tube, open at the both ends, has a fundamental frequency f in air . The tube is dipped vertically in water so that half of it is in water . The fundamental frequency of the air column is now-

A

`(f)/(2) `

B

`(3f)/(4) `

C

`f`

D

2f

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The correct Answer is:
C
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