A tuning fork of frequency 480 Hz is used to vibrate a sonometer wire having natural frequency 240 Hz. The wire will vibrate with a frequency of
(a) 240 Hz
(b) 480 Hz
(c) 720 Hz
(d) will not vibrate.
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The correct answer is (b) 480 Hz
EXPLANATION: The simple harmonic disturbance produced by the tuning fork is transmitted to the wire through the bridges in the sonometer. Hence the wire will vibrate with the same frequency as the tuning fork.
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