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31-01-2024
Physics

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What is the percentage increase in length of a wire of diameter 2.5 mm, stretched by a force of 100 kg wt ? Young's modulus of elasticity of wire =12.5×10¹¹dyne/cm².
A. 0.16%
B. 0.32%
C. 0.08%
D. 0.12%

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