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With rise in temperature, the Young’s modulus of elasticity of a material (a) Increases (b) Decreases (c) Does not change (d) May increase or decrease

With rise in temperature, the Young’s modulus of elasticity of a material
(a) Increases
(b) Decreases
(c) Does not change
(d) May increase or decrease

Grade:Upto college level

2 Answers

Saurabh Koranglekar
askIITians Faculty 10341 Points
one year ago
Dear student

The answer is option b

Regards
Vikas TU
14149 Points
one year ago
In the case of a metal wire, at a higher temperature there is violent thermal motion of atoms and can slightly weaken the forces and hence will strain more easily. Thus, when strain increases the value of Youngs modulus decreases. The Young's modulus of the material of a wire decreases with increase in temperature.

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