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

  • question_answer
    The Young's modulus of a wire of length L and radius r is Y N/m2. If the length and radius are reduced to L/2 and r/2, then its Young's modulus will be [MP PMT 1985; MP PET 1997; KCET 1999]

    A) Y/2         

    B)                 Y

    C)                 2Y          

    D)                 4Y

    Correct Answer: B

    Solution :

         Young's modulus of wire does not varies with dimension of wire. It is the property of given material.


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