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JEE Main & Advanced Physics Elasticity Question Bank Bulk Modulus

  • question_answer
    When a pressure of 100 atmosphere is applied on a spherical ball, then its volume reduces to 0.01%. The bulk modulus of the material of the rubber in \[dyne/c{{m}^{2}}\] is  [MP PET 1985; DPMT 2002]            

    A)                                             \[10\times {{10}^{12}}\]                 

    B)                                 \[100\times {{10}^{12}}\]                

    C)                                 \[1\times {{10}^{12}}\]                

    D)                                             \[20\times {{10}^{12}}\]

    Correct Answer: C

    Solution :

                        \[K=\frac{100}{0.01/100}={{10}^{6}}atm={{10}^{11}}\ N/{{m}^{2}}={{10}^{12}}\ dyne/c{{m}^{2}}\]                


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