A uniform disc of radius R is pivoted at point O on its circumstances. The time period of small oscillations about an axis passing through O and perpendicular to plane of disc will be

A disc of radius R is pivoted at its rim. The period for small oscillations about an axis perpendicular to the plane of disc is

A disc of radius R is pivoted at its rim. The period for small oscillations about an axis perpendicular to the plane of disc is

A uniform semi-circular disc of mass m and radius r is suspended as shown in the figure. If T is the time period of small osciallations about an axis passing through point of supension and perpendicular to plane of disk. Then T is equal to

A uniform semi-circular disc of mass m and radius r is suspended as shown in the figure. If T is the time period of small osciallations about an axis passing through point of supension and perpendicular to plane of disk. Then T is equal to

The moment of inertia of a circular disc about an axis passing through the circumstances perpendicular to the plane of the disc is

From a disc of mass 2kg and radius 4m a small disc of radius 1 m with center O' is extracted . The new moment of inertia,about an axis passing through O perpendicular to plane of disc is

From a disc of mass 2kg and radius 4m a small disc of radius 1 m with center O' is extracted . The new moment of inertia,about an axis passing through O perpendicular to plane of disc is