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Questions  

Moment of inertia of a thin spherical shell about a tangent is I. What will be the moment of inertia of a solid sphere of same mass and radius about a diameter? 

a
2I25
b
I3
c
6I25
d
3I25

detailed solution

Correct option is C

I=23mR2+mR2=53mR2I1=25mR2=25×(35I)=625I

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