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A sonometer wire of length 1.5m is made ...

A sonometer wire of length `1.5m` is made of steel. The tension in it produces an elastic strain of `1%`. What is the fundamental frequency of steel if density and elasticity of steel are `7.7 xx 10^(3) kg//m^(3)` and `2.2 xx 10^(11) N//m^(2)` respectively ?

A

200.5 Hz

B

770 Hz

C

188.5 Hz

D

178.2 Hz

Text Solution

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The correct Answer is:
D
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