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Properties of Matter question

2004 · Shift 0 · Q169
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Properties of Matter question

2004 · Shift 0 · Q169

JEE MainPhysicsProperties of MatterMCQ+4 / −1
A wire fixed at the upper end stretches by length lll by applying a force F.F.F. The work done in stretching is
  1. A
    2Fl2Fl2Fl
  2. B
    FlFlFl
  3. C
    F2l{F \over {2l}}2lF​
  4. D
    Fl2{{Fl} \over 2}2Fl​
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