question_answer

Three solid spheres each of mass m and diameter d are stuck together such that the lines connecting the centres form an equilateral triangle of side of length d. The ratio  of moment of inertia of the system about an axis passing the centroid and about center of any of the spheres  and perpendicular to the plane of the triangle is:

[JEE MAIN Held on 09-01-2020 Morning]

A)       

B)                    

C)                   

D)        

Correct Answer: D

Solution :

[d]