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JEE Main & Advanced Physics Wave Mechanics Question Bank Self Evaluation Test - Mechanical Properties of Solids

  • question_answer
    A metal wire of length L is suspended vertically from a rigid support when the body of mass M is attached to the lower end of the wire, the elongation of the wire is\[l\]. The elastic potential energy stored in the wire is

    A) \[mgl\]

    B) \[mgl/2\]

    C) \[mgl/3\]

    D) \[mgl/4\]

    Correct Answer: B

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