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

  • question_answer
    A wire of diameter 1mm  breaks under a tension of 1000 N. Another wire, of same material as that of the first one, but of diameter 2 mm breaks under a tension of [Orissa JEE 2003]

    A) 500 N 

    B)             1000 N

    C)             10000 N

    D)                      4000 N

    Correct Answer: D

    Solution :

                    Breaking force µ r2 If diameter becomes double then breaking force will become four times i.e. 1000 × 4 = 4000 N


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