Two identical plain wires have a fundamental frequency of 600 cycle...

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Two identical plain wires have a fundamental frequency of 600 cycle per second when kept under the same tension.
\( \mathrm{P} \) What fractional increase in the tension of one wires will lead to the occurrence of 6 beats per second when both wires
W vibrate simultaneously
[EAMCET 2009; CBSE PMT (Mains) 2011]
(a) 0.01
(b) 0.02
(c) 0.03
(d) 0.04
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