Directions: In the following questions, a statement of assertion is followed by a statement of reason.
Assertion : All solids expand by same amount when heated through the same temperature increase.
Reason : Copper expands more than steel on heating.
Mark the correct choice as:

Options

A. If both assertion and reason are true and reason is the correct explanation of assertion.
B. If both assertion and reason are true but reason is not the correct explanation of assertion.
C. If assertion is true but reason is false.
D. If assertion is false but reason is true.

Answer

D

Explanation

All solids expand by different amount when heated through the same temperature increase .