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A thin disc of mass M and radius R has m...

A thin disc of mass M and radius R has mass per unit area `sigma( r)=kr^2` where r is the distance from its centre. Its moment of inertia about an axis going through its centre of mass and perpendicular to its plane is :

A

`(MR^3)/3`

B

`(2MR^2)/3`

C

`(MR^2)/6`

D

`(MR^2)/2`

Text Solution

Verified by Experts

The correct Answer is:
A
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