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A tuning fork is used to produce resonan...

A tuning fork is used to produce resonance in glass tuve. The length of the air column in the tube can be adjusted by a variable piston. At room temperature of `27^@C` two succesive resonance are produced at 20 cm and 73 cm column length. If the frequency of the tuning fork is 320 Hz. the velocity of sound is air at `27^(@)C` is

A

`350 m//s`

B

`339 m//s`

C

`330 m//s`

D

`300m//s`

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Verified by Experts

The correct Answer is:
B
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MOTION-SOUND WAVES-Exercise - 3 (Section - A)
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  13. The fundamental frequency of a closed organ pipe of length 20 cm is eq...

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  15. A uniform string of length 20 m & mass 1 kg is hung vertically. Find t...

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  16. A siren emtting a sound of frequency 800 Hz moves away from an observe...

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  17. An air column, closed at one end and open at the other resonates with ...

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  18. The two nearest harmonics of a tube closed at one end and open at othe...

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