From a disc of radius
and mass
, a circular hole of diameter
, whose rim passes through the centre is cut. What is the moment of inertia of the remaining part of the disc about a perpendicular axis, passing through the center? [NEET 2016]
Text Solution
Verified by ExpertsThe correct answer is:
A
Considering the information given in the question, let us draw the figure

If the above figure is considered, then moment of inertia of disc will be given as

Putting the values, we get
= 
= 

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