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The M.I. of a uniform semicircular disc ...

The M.I. of a uniform semicircular disc of mass M and radius R about a line perpendicular to the plane of the disc and passing through the centre is

A

`(1)/(2)MR^(2)`

B

`(1)/(4)MR^(2)`

C

`MR^(2)`

D

`(3)/(4)MR^(2)`

Text Solution

Verified by Experts

The correct Answer is:
A
If we consider a circular disc, its mass will be 2M and its M.I. will be `(1)/(2)(2M)R^(2)=MR^(2)`
`therefore" M.I. of the semicircular disc"=(MR^(2))/(2)`
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