Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R.Assertion A : When a rod lying freely is heated, no thermal stress is developed in it.Reason R : On heating, the length of the rod increases.In the light of the above statements, choose the correct answer from the options given below :

Question

Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R.

Assertion A : When a rod lying freely is heated, no thermal stress is developed in it.

Reason R : On heating, the length of the rod increases.

In the light of the above statements, choose the correct answer from the options given below :

A is true but R is false

A is false but R is true

Both A and B are true but R is NOT the correct explanation of A

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

Solution

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