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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 centre of the original disc. It moment of inertia about the axis of rotation is.
.

A

`1/2MR^2`

B

`1/4MR^2`

C

`1/8MR^2`

D

`sqrt2MR^2`

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The correct Answer is:
A
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