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Two indentical piano wires, kept under t...

Two indentical piano wires, kept under the same tension T have a fundamental frequency of 600Hz. The fractional increase in the tension of one of the wires which will lead to occurrence of 6 beats/s when both the wires oscillate together would be :

A

0.04

B

0.01

C

0.02

D

0.03

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The correct Answer is:
C
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