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A tuning fork vibrating at frequency 800...

A tuning fork vibrating at frequency 800 Hz produces resonance in a resonance column tube. The upper end is open and the lower end is closed bythe water surface which can be varied. Successive resonances are observed at lengths 9.75 cm, 31.25 cm and 52.75 cm. Calculate the speed of sound in air from these data.

A

172 m/s

B

500 m/s

C

156 m/s

D

344 m/s

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The correct Answer is:
D
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