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____________________?
Options:
- A. (F1+F2) (121+122)
- B. (F1+F2) (122-112)
- C. (F1+F2) (12-11)
- D. (F1+F2) (12-11)
View Answer
C. (F1+F2) (12-11)