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One quarter sector is cut from a uniform...

One quarter sector is cut from a uniform circular disc of radius R. This sector has mass M. it is made to rotate about a line perpendicular to its plane and passing through the center of the original disc. Its moment of inertia about the axis of rotation is

A

`1/2 MR^2`

B

`1/4 MR^2`

C

`1/8 MR^2`

D

`sqrt2 MR^2`

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