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A set of 56 tuning forks is arranged in ...

A set of 56 tuning forks is arranged in series of increasing frequencies.If each fork gives 4 beats with preceding one and the frequency of the last in twice that of first ,then frequency of the first fork is

A

` 220 Hz `

B

` 110 Hz `

C

` 224 Hz `

D

` 448 Hz`

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The correct Answer is:
C
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TARGET PUBLICATION-WAVE MOTION -MCQ 7.1
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