A) \[\operatorname{P} = applied force, Q = extension\]
B) \[\operatorname{P} = extension, Q = applied force\]
C) \[\operatorname{P} = extension, Q = stored elastic energy\]
D) \[\operatorname{P} = stored elastic energy, Q = extension\]
Correct Answer: C
Solution :
Graph between applied force and extension will be straight line because in elastic range, Applied force \[\propto \] extension but the graph between extension and stored elastic energy will be parabolic in nature As \[\operatorname{U}=\,\,\frac{1}{2}\,k{{x}^{2}}\,\,or U \,\propto {{x}^{2}}\]
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