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There is a set of four tuning forks , on...

There is a set of four tuning forks , one with the lowest frequency vibrating at `550 Hz`. By using any two tuning forks at a time , the following beat frequencies are heard : `1 , 2, 3, 5 , 7 , 8`. The possible frequencies of the other three forks are

A

`552, 553, 560`

B

`557, 556, 560`

C

`552, 553, 558`

D

`551, 553, 558`

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The correct Answer is:
D
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RESONANCE ENGLISH-SOUND WAVES-Exercise- 2 PART - I
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