A solid sphere of mass , radius and having moment of inertia about an axis passing through the centre of mass as I, is recast into a disc of thickness , whose moment of inertia about an axis passing through its edge and perpendicular to its plane remains I. Then, radius of the disc will be |
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a) |
b) |
c) |
d) |

A solid sphere of mass , radius and having moment of inertia about an axis passing through the centre of mass as I, is recast into a disc of thickness , whose moment of inertia about an axis passing through its edge and perpendicular to its plane remains I. Then, radius of the disc will be |
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a) |
b) |
c) |
d) |

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