Question

For the given uniform square lamina ABCD whose centre is O

Answer 1

As we learnt in

Perpendicular Axis theorem -



(for a body in XY plane )

- wherein

= moment of inertia about z axis

. :moment of inertia about x & y  axis in the plane of body respectively.

 

 





By theorem of perpendicular axis.



Similarly 




Option 1)



This is an incorrect option.

Option 2)



This is an incorrect option.

Option 3)



This is an incorrect option.

Option 4)

This is the correct option.