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A source of frequncy 340 Hz is kept abov...

A source of frequncy 340 Hz is kept above vertical cylindrical tube closed at lower end. The length of the tube is 120 cm. Water is slowly poured in just enough to produce resonance. The the minimum height (velocity of sound =340 m/s) of the water level in the tube for that resonance is.

A

`0.75 m`

B

`0.25 m`

C

`0.95 m`

D

`0.45 m`

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The correct Answer is:
D
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