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A vibrating string produces 2 beats per ...

A vibrating string produces 2 beats per secod when sounded with a turning fork of frequency `256Hz`. Slightly increasing the tension in the string produces 3 beats per second. The initial frequency of the string may have been

A

253 Hz

B

254 Hz

C

258 Hz

D

259 Hz

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The correct Answer is:
B, C
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