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A wire of length L and radius r is suspended from rigid support. Mass M can be applied to its free end, elongation in it is l, then Young’s modulus is_________

A wire of length L and radius r is suspended from rigid support. Mass M can be applied to its free end, elongation in it is l, then Young’s modulus is_________

Grade:12

2 Answers

Saurabh Koranglekar
askIITians Faculty 10336 Points
2 years ago
Dear student

The answer is MgL/πr2l

Regards
Vikas TU
14149 Points
2 years ago
Young's modulus depends on the material and it is independent of length and cross-section. So the new wire has Young's modulus Y.

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