Assertion (A) : Steel is more elastic than rubber.
Reason (R) : Under given deforming force, steel is deformed less than rubber.

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Both A and R are true and R is the correct explanation of the A

A is incorrect, but R is correct

Both A and R are true but R is not the correct explanation of the A.

A is correct, but R is incorrect

answer is A.

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Detailed Solution

The greater the resistance to change, the greater is the elasticity of the material, and faster it comeback to its original shape when deforming force is removed for a given stress, strain is much smaller in steel than in rubber

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