STANDARD Physics Elastic Moduli MCQ Question with Solution

Identical spring of steel and copper (Yₛₜₑₑₗ > Ycopper) are equally stretched.

A

Less work is done on copper spring.

B

Less work is done on steel spring.

C

Equal work is done on both the springs.

Correct Answer

Option B

Detailed Explanation

Since Young's modulus for steel is greater than that for copper, less work is needed to achieve the same extension in the steel spring.

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