Home
Class 12
PHYSICS
A circular disc of radius R and thicknes...

A circular disc of radius `R` and thickness `R//6` has moment of inertia `I` about an axis passing through its centre and perpendicular to its plane. It is melted and recast into a solid sphere. The `M.I` of the sphere about its diameter as axis of rotation is

A

I

B

`(2I)/(8)`

C

`(I)/(5)`

D

`(I)/(10)`

Text Solution

Verified by Experts

Promotional Banner

Similar Questions

Explore conceptually related problems

A disc of radius R and thickness has moment of inertia / about an axis passing through its centre and perpendicular to its plane. Disc is melted and recast into a solid sphere. The moment of inertia of a sphere about its diameter is

The moment of inertia of a copper disc, rotating about an axis passing through its centre and perpendicular to its plane

A solid cylinder has mass M radius R and length / its moment of inertia about an axis passing through its centre and perpendicular to its own axis is

Radius of gyration of a uniform circular disc about an axis passing through its centre of gravity and perpendicular to its plane is

A disc of mass m and radius R has a concentric hole of radius r . Its moment of inertia about an axis through its center and perpendicular to its plane is

A disc of radius R has a concentric hole of radius R /2 and its mass is M. Its moment of inertia about an axis through its centre and perpendicular to its plane, is

Calculate the moment of inertia of a disc of radius R and mass M, about an axis passing through its centre and perpendicular to the plane.