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In sonometer experiment, the bridges are separated by a fixed distance. The wire which is slightly elastic, emits a tone
\( \mathrm{P} \) of frequency ' \( f \) ' when held by tension ' \( T \) '. If the tension is

W increased to ' \( 4 T^{\text {' }} \), the tone emitted by the wire will be of frequency
[MH CET 2015]
(a) \( f \)
(b) \( 2 f \)
(c) Slightly greater than \( 2 f \)
(d) Slightly less than \( 2 f \)
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