The effect of temperature on the value of modulus of elasticity for different substances in general

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Does not change with temperature

Increases with increase in temperature

Independent of change in temperature

Decreases with increase in temperature

answer is B.

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Detailed Solution

Young's modulus is a mechanical characteristic of solids that determines the material's stiffness. It can also be described as the material's capacity to endure modifications to its shape as a result of expansion or compression.
A material's Young's modulus is influenced by its temperature.
The atomic vibrations in the crystal structure also increase as a material's temperature rises.
The young's modulus of the material decreases as a result of the reduction in atomic forces.
As a result, the value of Young's modulus of elasticity for a variety of material generally falls as temperature increases.

Hence the correct answer is decreases with increase in temperature .

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