Entry Test MCQ :: Physics Of Solids

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A wire obeys Hooks law is of length 11 when it is in equilibrium under a tension F1. Its length becomes 12 when the tension is increased to F2. The energy stored in the wire during this process is

[A].	(F1+F2) (121+122)	[B].	(F1+F2) (122-112)
[C].	(F1+F2) (12-11)	[D].	(F1+F2) (12-11)

Answer: Option C

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