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____________________?

Physics Mcqs

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)



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