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A uniform disc of mass 2kg is rotated ab...

A uniform disc of mass 2kg is rotated about an axis perpendicular to the plane of the disc . If radius of gyration is 50cm, then the M.I. of disc about same axis is

A

`0.25 kg m^(2)`

B

`0.5kg m^(2)`

C

`2kg m^(2)`

D

`1kg m^(2)`

Text Solution

Verified by Experts

The correct Answer is:
B
`I = MK_(c )^(2)=2xx(0.5)^(2)=2xx0.25=0.5`.
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