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A metallic circular plate is rotating ab...

A metallic circular plate is rotating about its axis without friction. If the radius of plate expands by `0.1%` then the `%` change in its moment of inertia is

A

increases by `0.1 %`

B

decreases by `0.1 %`

C

increases by `0.2%`

D

decreases by `0.2%`

Text Solution

Verified by Experts

The correct Answer is:
C
`IpropR^(2)` and `(DeltaI)/I=2(DeltaR)/R`
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