The given figure shows a disc of mass $M$ and radius $R$ lying in the $x-y$ plane with its centre on $x$ axis at a distance a from the origin. then the moment of inertia of the disc about the $x-$ axis is
The given figure shows a disc of mass $M$ and radius $R$ lying in the $x-y$ plane with its centre on $x$ axis at a distance a from the origin. then the moment of inertia of the disc about the $x-$ axis is
- A
$M\left( {\frac{{{R^2}}}{2}} \right)$
- B
$M\left( {\frac{{{R^2}}}{4}} \right)$
- C
$M\left( {\frac{{{R^2}}}{4} + {a^2}} \right)$
- D
$M\left( {\frac{{{R^2}}}{2} + {a^2}} \right)$
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