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A tuning fork of frequency 340 Hz is exc...

A tuning fork of frequency `340 Hz` is excited and held above a cylindrical tube of length `120 cm`. It is slowly filled with water. The minimum height of water column required for resonance to be first heard( Velocity of sound `=340 ms^-1`) is.

A

`15 cm`

B

`25 cm`

C

`30 cm`

D

`45 cm`

Text Solution

Verified by Experts

The correct Answer is:
D
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