If the force constant of a wire is K, the work done in increasing the length of the wire by l is

(a) $Kl/2$                                   (b) $Kl$

(c) $K{l}^{2}/2$                                 (d) $K{l}^{2}$

Concept Videos :-

#2 | Stress
#3 | Strain
#4 | Hooks's Law & Young's Modules
#5 | Bulk Modules & Shear Modules
#6 | Solved Problems: Set 1
#7 | Extension in a Stretched Wire
#8 | Derivation for Energy Stored in a Wire
#12 | Solved Problems: Set 2
#13 | Solved Problems: Set 3

Concept Questions :-

Stress-strain
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