Physics

Problem

A sonometer wire of length 1.5 m 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 \times 10^3 \text{ kg/m}^3

and

2.2 \times 10^{11} \text{ N/m}^2

respectively? a. 188.5 Hz b. 178.2 Hz c. 200.5 Hz d. 770 Hz

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