A sonometer wire is in unison with tuning fork. When its length increases by 4, it gives 8 beat/s with the same fork. The frequency of the fork is (a) 196 Hz (b) 200 Hz (c) 204 Hz (d) 208 Hz

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A Konometer wire is in unison with a
tuning fork. When its length increases by 4, it
gives 8 beat/s with the same fork. The
frequency of the fork is
(a)
196 Hz
(b) 200 Hz
(c)
204 Hz
(d) 208 Hz
Transcribed Image Text:A Konometer wire is in unison with a tuning fork. When its length increases by 4, it gives 8 beat/s with the same fork. The frequency of the fork is (a) 196 Hz (b) 200 Hz (c) 204 Hz (d) 208 Hz
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