Statement-1: Graph between potential energy of spring versus the extension or comparision of the spring is a straight line.
Statement-2: Potential energy of a stretched or compressed spring is proportional to square of extension or comparision.

Options

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

Answer

D