Physics-
General
Easy
Question
Assertion: If the moment of inertia of a non-uniform ring of mass M and radius R is known about an AA', then we can calculate the moment of inertia about BB' (C is the geometrical centre of ring).
Reason: 

A) If both Assertion and Reason are true and Reason is the correct explanation of the Assertion.
B) If both Assertion and Reason are true but Reason is not correct explanation of the Assertion.
C) If Assertion is true but Reason is false.
D) If Assertion is false but Reason is true.
- A
- B
- C
- D
The correct answer is: D
Related Questions to study
physics-
A uniform rod of length l is pivoted at point A. It is struck by a horizontal force which delivers an impulse J at a distance x from point A as shown in figure, if impulse delivered by pivot is zero hat initially then x is

A uniform rod of length l is pivoted at point A. It is struck by a horizontal force which delivers an impulse J at a distance x from point A as shown in figure, if impulse delivered by pivot is zero hat initially then x is

physics-General
physics-
Three masses
and
are suspended at the end of a spring a shown and are in equilibrium. When the
mass is removed, the system oscillates with a period of 3 seconds, when the
mass is also removed, it will oscillate with a period of

Three masses
and
are suspended at the end of a spring a shown and are in equilibrium. When the
mass is removed, the system oscillates with a period of 3 seconds, when the
mass is also removed, it will oscillate with a period of

physics-General
physics-
A wooden block performs SHM on a frictionless surface with frequency,
The block carries a change
on its surface. If now a uniform electric field
is switched-on as shown, then SHM of the block will be

A wooden block performs SHM on a frictionless surface with frequency,
The block carries a change
on its surface. If now a uniform electric field
is switched-on as shown, then SHM of the block will be

physics-General
physics-
Two identical springs of constant
are connected in series and parallel as shown in figure. A mass
is suspended from them. The ratio of their frequencies of vertical oscillations will be

Two identical springs of constant
are connected in series and parallel as shown in figure. A mass
is suspended from them. The ratio of their frequencies of vertical oscillations will be

physics-General
physics-
Lissajous figure shown in figure. Corresponds to which one of the following

Lissajous figure shown in figure. Corresponds to which one of the following

physics-General
physics-
A cylinder of mass M and radius R lying on a rough horizontal surface for which coefficient of friction is
is pushed by applying a horizontal force P at distance R/2 from the centre as shown in figure. The frictional force acting at the contact is

A cylinder of mass M and radius R lying on a rough horizontal surface for which coefficient of friction is
is pushed by applying a horizontal force P at distance R/2 from the centre as shown in figure. The frictional force acting at the contact is

physics-General
physics-
A block having equilateral triangular cross-section of side a and mass m is placed on a rough inclined surface, so that it remains in equilibrium as shown in figure. The torque of normal force acting on the block about its centre of mass is

A block having equilateral triangular cross-section of side a and mass m is placed on a rough inclined surface, so that it remains in equilibrium as shown in figure. The torque of normal force acting on the block about its centre of mass is

physics-General
physics-
A uniform cylinder of radius R is spinned to an angular velocity
and then placed on an inclined for which coefficient of friction is
. (
is the angle of incline). The centre of mass of the cylinder will remain stationary for time

A uniform cylinder of radius R is spinned to an angular velocity
and then placed on an inclined for which coefficient of friction is
. (
is the angle of incline). The centre of mass of the cylinder will remain stationary for time

physics-General
physics-
A smooth rod of length
is kept inside a trolley at an angle
as shown in the figure. What should be the acceleration a of the trolley so that the rod remains in equilibrium with respect to it?

A smooth rod of length
is kept inside a trolley at an angle
as shown in the figure. What should be the acceleration a of the trolley so that the rod remains in equilibrium with respect to it?

physics-General
physics-
A lamina of mass M is in shape of a quarter of circle of radius R as shown in figure. The moment of inertia of this lamina about axis AB is

A lamina of mass M is in shape of a quarter of circle of radius R as shown in figure. The moment of inertia of this lamina about axis AB is

physics-General
physics-
The plank in the figure moves a distance 100 mm to the right while the centre of mass of the sphere of radius 150 mm moves a distance 75 mm to the left. The angular displacement of the sphere (in radian) is (there is no slipping anywhere)

The plank in the figure moves a distance 100 mm to the right while the centre of mass of the sphere of radius 150 mm moves a distance 75 mm to the left. The angular displacement of the sphere (in radian) is (there is no slipping anywhere)

physics-General
physics-
A uniform rod of length 7L is bent in the shape as shown in the figure. The co-ordinates of the centre of mass of the system are

A uniform rod of length 7L is bent in the shape as shown in the figure. The co-ordinates of the centre of mass of the system are

physics-General
physics-
A uniform disc of mass m and radius R is moving with speed
and rotating with angular velocity
on a smooth horizontal surface as shown then find the total angular momentum of a body about origin

A uniform disc of mass m and radius R is moving with speed
and rotating with angular velocity
on a smooth horizontal surface as shown then find the total angular momentum of a body about origin

physics-General
physics-
Three identical rods each of length L and mass M joined together to form a letter H. What is the moment of inertia of the system about one of the sides of H as shown in figure.?

Three identical rods each of length L and mass M joined together to form a letter H. What is the moment of inertia of the system about one of the sides of H as shown in figure.?

physics-General
physics-
For the toppling of the shown regular hexagon, the coefficient of friction must be

For the toppling of the shown regular hexagon, the coefficient of friction must be

physics-General