For the same total mass which of the following will have the larges...

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For the same total mass which of the following will have the largest moment of inertia about an axis passing through its centre of mass and perpendicular to the plane of the body
(1) A disc of radius \( a \)
(2) A ring of radius \( a \)
(3) A square lamina of side \( 2 a \)
(4) Four rods forming a square of side \( 2 a \)
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