JEE Main 2004Annual, Paper 1PhysicsEasyProperties of Solids and Liquids184× since 2002A wire fixed at the upper end stretches by length lll by applying a force F.F.F. The work done in stretching isAOption A. 2Fl2Fl2FlBOption B. FlFlFlCOption C. F2l{F \over {2l}}2lFDOption D. Fl2{{Fl} \over 2}2FlCheckSkip · show solution