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A sonometer wire is resonating with a tu...

A sonometer wire is resonating with a tuning fork of frequency N. If its length is increased by 10% , by keeping the tension constant , 6 beats are heard per second, then

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` n_(2)/n_(1) = L_(1)/L_(2)= L_(1)/(1.1L_(1))`
The new frequency of the wire ` n_(2) = (440)/1.1 = 440 Hz`
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