A sonometer wire 100 cm long produces a resonance with a tuning fork. When its length is decreased by 10cm, 8 beats per second are heard. Find the frequency of tuning fork.

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A sonometer wire 100 cm long produces a resonance with a tuning fork. When its length
is decreased by 10cm, 8 beats per second are heard. Find the frequency of tuning fork.
Transcribed Image Text:A sonometer wire 100 cm long produces a resonance with a tuning fork. When its length is decreased by 10cm, 8 beats per second are heard. Find the frequency of tuning fork.
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