VMMC VMMC Medical Solved Paper-2015

  • question_answer
    If\[{{I}_{1}}\]and \[{{I}_{2}}\]be the moment of inertia of two bodies of identical geometrical shape, the first is made of aluminium and second of iron, then

    A) \[{{l}_{1}}<{{l}_{2}}\]                     

    B) \[{{l}_{1}}={{l}_{2}}\]

    C) \[{{l}_{1}}>{{l}_{2}}\]

    D) relation between \[{{l}_{1}}\] and \[{{l}_{2}}\] depends on the centrashapes of the bodies

    Correct Answer: A

    Solution :

    The density of iron is greater than that of aluminium, so comparatively the similar size of aluminium has smaller mass than that of iron. Which implies \[{{I}_{1}}\] is smaller than \[{{I}_{2}}.\]


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