A sonometer wire of length 1.5 m is made of steel. The tension in it produces an elastic…
Physics · NEET · NTA Exams — Oscillations and Waves
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 \(7.7 \times 10^{3} \mathrm{~kg} / \mathrm{m}^{3} \text { and } 2.2 \times 10^{11} \mathrm{~N} / \mathrm{m}^{2}\) respectively?
- 188.5 Hz
- 178.2 Hz
- 200.5 Hz
- 770 Hz
Answer
(B) 178.2 Hz
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