Two circular discs 
and 
are of equal masses and thickness but made of metals with densities 
and 
. If their moments of inertia about an axis passing through centres and normal to the circular faces be 
and 
, then
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
Moment of inertia of circular disc about an axis passing through centre and normal to the circular face
[As 
∴ ∴ 
]
⇒ ⇒ 
or 
If mass and thickness are constant.
So, in the problem 
[As 
]
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