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JCECE Medical JCECE Medical Solved Paper-2011

  • question_answer
    Moment of inertia of a uniform circular disc about a diameter is \[I.\]Its moment of inertia about an axis perpendicular to its plane and passing through a point on its rim will be

    A)  57              

    B)  37

    C)  6J            

    D)  47

    Correct Answer: C

    Solution :

     \[I=\frac{1}{4}M{{R}^{2}}\] \[M{{R}^{2}}=4I\] We have to find \[r=\frac{3}{2}M{{R}^{2}}\] \[=\frac{3}{2}\times 4I\] \[=6I\]


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