Angular Momentum in Hindi for Students

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Angular Momentum in Hindi. We covered all the Angular Momentum in Hindi in this post for free so that you can practice well for the exam.

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Mock Test on Angular Momentum for Students

A wheel of the moment of inertia 5 kg m² rotates at the rate of 600 rpm: it is coupled with another wheel of the moment of inertia 10 kg m² which is initially at rest. Find the number of revolutions per minute of the coupled system :

If the angular velocity of a body is doubled then the ratio of its angular momentum is :

A pan containing a layer of uniform thickness of ice is placed on a circular turntable with its center coinciding with the center of the turntable. The turntable is now rotated at a constant angular velocity about a vertical axis passing through its center and driving torque is withdrawn. There is no friction between the table and the pivot. As the ice melts :

A mass is rotating in a plane about a fixed point. Its angular momentum is directed along

A boy comes running and sits on a merry-go-round. What is conserved?

A swimmer while jumping into the water from a height, easily forms a loop in the air so as to :

Angular momentum is :

In the absence of external torque on a system, which of the following will not change?

The moment of momentum is called :

The direction of angular momentum of the rotating body in the vertical plane is :

When the mass is rotating in a plane about a fixed point. Its angular momentum is directed along

If a student, sitting on a rotating table, with his arms outstretched, suddenly lowers his hands then his :

Mock Test on Angular Momentum for Students

A wheel of the moment of inertia 5 kg m² rotates at the rate of 600 rpm: it is coupled with another wheel of the moment of inertia 10 kg m² which is initially at rest. Find the number of revolutions per minute of the coupled system :

(A) 100 rpm

(B) 200 rpm

(D) 400 rpm

Option b - 200 rpm

If the angular velocity of a body is doubled then the ratio of its angular momentum is :

(A) 1 : 2

(B) 1 : 4

(D) 2 : 1

Option a - 1 : 2

A pan containing a layer of uniform thickness of ice is placed on a circular turntable with its center coinciding with the center of the turntable. The turntable is now rotated at a constant angular velocity about a vertical axis passing through its center and driving torque is withdrawn. There is no friction between the table and the pivot. As the ice melts :

(A) The angular velocity decreases

(B) The angular velocity increases

(D) The moment of inertia remains unchanged

Option a - The angular velocity decreases

A mass is rotating in a plane about a fixed point. Its angular momentum is directed along

(A) The radius

(B) The tangent in the orbit

(D) A line parallel to the plane of rotation

Option c - A line perpendicular to the plane of rotation

A boy comes running and sits on a merry-go-round. What is conserved?

(A) Linear momentum

(B) Kinetic energy

(D) Velocity

Option c - Angular momentum

A swimmer while jumping into the water from a height, easily forms a loop in the air so as to :

(A) Decrease M.I. and increase angular speed

(B) Decrease M.I. and decrease angular speed

(D) Increase M. I and decrease angular speed

Option a - Decrease M.I. and increase angular speed

Angular momentum is :

(A) a Polar vector

(B) An axial vector

(D) A Tensor

Option b - An axial vector

In the absence of external torque on a system, which of the following will not change?

(A) Linear momentum

(B) Angular momentum

(D) Force

Option b - Angular momentum

The moment of momentum is called :

(A) Couple

(B) Torques

(D) Angular momentum

Option d - Angular momentum

The direction of angular momentum of the rotating body in the vertical plane is :

(A) Vertical

(B) Horizontal

(D) Radial

Option b - Horizontal

When the mass is rotating in a plane about a fixed point. Its angular momentum is directed along

(A) The radius

(B) The tangent to orbit

(D) The axis of rotation

Option d - The axis of rotation

If a student, sitting on a rotating table, with his arms outstretched, suddenly lowers his hands then his :

(A) Angular velocity decreases

(B) Moment of inertia decreases

(D) Angular momentum increases

Option b - Moment of inertia decreases

We covered all the angular momentum in Hindi above in this post for free so that you can practice well for the exam.

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Mock Test on Angular Momentum for Students

A wheel of the moment of inertia 5 kg m² rotates at the rate of 600 rpm: it is coupled with another wheel of the moment of inertia 10 kg m² which is initially at rest. Find the number of revolutions per minute of the coupled system :

If the angular velocity of a body is doubled then the ratio of its angular momentum is :

A mass is rotating in a plane about a fixed point. Its angular momentum is directed along

A boy comes running and sits on a merry-go-round. What is conserved?

A swimmer while jumping into the water from a height, easily forms a loop in the air so as to :

Angular momentum is :

In the absence of external torque on a system, which of the following will not change?

The moment of momentum is called :

The direction of angular momentum of the rotating body in the vertical plane is :

When the mass is rotating in a plane about a fixed point. Its angular momentum is directed along

If a student, sitting on a rotating table, with his arms outstretched, suddenly lowers his hands then his :

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