The graph shows the behaviour of a length of wire in the region for wh – McqOptions

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1.	The graph shows the behaviour of a length of wire in the region for which the substance obeys Hook?s law. P and Q represent [AMU 2001]
A.	P = applied force, Q = extension
B.	P = extension, Q = applied force
C.	P = extension, Q = stored elastic energy
D.	P = stored elastic energy, Q = extension
Answer» D. P = stored elastic energy, Q = extension

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