Q. 35.0( 1 Vote )

The temperature o A. will also double.

B. will become four times.

C. will remain same.

D. will decrease.

Answer :

The Young’s Modulus (Y) is defined as

∆l can be written as

Where l is the original length, α is the coefficient of heat expansion (a constant for a material) and ∆T is the temperature difference.

So,

As ∆T increases, Y decreases.

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The temperature o A. will also double.B. will become four times.C. will remain same.D. will decrease.