Two similar sonometer wires given fundamental \( \mathrm{P} \) freq...

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Two similar sonometer wires given fundamental
\( \mathrm{P} \) frequencies of \( 500 \mathrm{~Hz} \). These have same tensions.

W By what amount the tension be increased in one wire so that the two wires produce 5 beats \( / \mathrm{sec} \)
(1) \( 1 \% \)
(2) \( 2 \% \)
(3) \( 3 \% \)
(4) \( 4 \% \)
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