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JEE Main & Advanced Physics Elasticity Question Bank Youngs Modulus and Breaking Stress

  • question_answer
    In a wire of length L, the increase in its length is l. If the length is reduced to half, the increase in its length will be

    A) l              

    B)                 2l

    C)                 \[\frac{l}{2}\]        

    D)                 None of the above

    Correct Answer: C

    Solution :

        \[l\propto L\] i.e. if length is reduced to half then increase in length will be \[\frac{l}{2}.\]


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