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Two tuning forks A and B are sounded tog...

Two tuning forks `A and B` are sounded together and `8 beats//s` are heard . `A` is in resonance with a column of air `32 cm` long in a pipe closed at one end and `B` is increased by one `cm`. Calculate the frequency of fork .

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The correct Answer is:
256 Hz, 264 Hz
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