A wire obeys Hooks law is of length 11 when it is in... - Solved MCQs & Answer

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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) (122-112)

B(F1+F2) (121+122)

C(F1+F2) (12-11)

D(F1+F2) (12-11)

Correct answer

C. (F1+F2) (12-11)

Explanation

(F1+F2) (12-11) is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.

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