To increase the frequency by \( 20 \% \), the tension in the string vibrating on a sonometer has....

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To increase the frequency by \( 20 \% \), the tension in the string vibrating on a sonometer has to be increased
\( \mathrm{P} \)
by
(1) \( 44 \% \)
(2) \( 33 \% \)
(3) \( 22 \% \)
(4) \( 11 \% \)


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