2. Questions Bank
  3. JEE Main & Advanced
  4. Physics
  5. Elasticity

JEE Main & Advanced Physics Elasticity Question Bank Work Done in Stretching a Wire

  • question_answer
    Calculate the work done, if a wire is loaded by 'Mg' weight and the increase in length is 'l' [CPMT 1999; DCE 1999, 2001; Pb. PET 2000, 01]

    A) Mgl         

    B)                 Zero

    C)                 Mgl/2     

    D)                 2Mgl

    Correct Answer: C

    Solution :

    Work done = \[\frac{1}{2}Fl=\frac{Mgl}{2}\]


You need to login to perform this action.
You will be redirected in 3 sec spinner