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The frequency of the note produced by a sonometer wire will be increased by 10%, if the tension is increased by
A. 0.1
B. 1
C. 0.5
D. 0.21

1 Answer

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Correct Answer - D
`(Deltan)/(n) = 1/2 (DeltaT)/(T) therefore (DeltaT)/(T)=2xx10=20%`

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