The moment of inertia of a disc, of mass M and radius R, about an axis which is a tangent and to its diameter is :

Question

$$\begin {array} {1 1} (1)\;\frac{1}{2} MR^2 & \quad (2)\;\frac{3}{4} MR^2 \\ (3)\;\frac{1}{4}MR^2 & \quad (4)\;\frac{5}{4}MR^2 \end {array}$$

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