Assertion (A): Cold working increases the strength and hardness of metals. Reason (R): Cold working decreases the total number of dislocations per unit volume in the material.

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Physics · Material Science

Verified Solution4 OptionsUpdated: October 2026👁️1 View

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A is true but R is false.

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Answer 1

A is false but R is true.

Answer 2

A is true but R is false.

Answer 3

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

Answer 4

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

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