how does youngs modulus change with rise in temperature?

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Solution

Young's modulus, E, can be calculated by dividing the tensile stress by the tensile strain in the elastic (initial, linear) portion of the stress-strain curve.
Y = F L /AÎ”L ie ratio of longitudinal stress to longitudinal strain
As we increase the temperature strain/elongation(Î”L) produced in the body increases too with temperature so in this way Y have inversely proportional variation with temperature.

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