12th Ka Physics Question for Students

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12th Ka Physics Objective Question for Students

Non-inertial frames are:

When the torque acting on a system is zero, what is conserved?

The area under the torque vs. angular displacement is:

The ratio of the moment of inertia of one hollow sphere to a solid sphere of the same mass and radius is:

The moment of inertia of a body comes into play:

12th Ka Physics Objective Question for Students

Non-inertial frames are:

a. Accelerated frames

b. Unaccelerated frames

c. Those frames in which a force-free particle moves with constant velocity

d. Cannot be rotating frames

Option a - Accelerated frames

When the torque acting on a system is zero, what is conserved?

a. Force

b. Linear momentum

c. Angular momentum

d. Angular impulse

Option c - Angular momentum

The area under the torque vs. angular displacement is:

a. Power in rotation

b. Rotational kinetic energy

c. Work done in rotation

d. Translational kinetic energy

Option c - Work done in rotation

The ratio of the moment of inertia of one hollow sphere to a solid sphere of the same mass and radius is:

a. 1:2

b. 2:1

c. 5:3

d. 4:3

Option c - 5:3

The moment of inertia of a body comes into play:

a. In linear motion along a curved path only

b. In straight-line motion only

c. In rotational motion only

d. All of the above

Option c - In rotational motion only

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12th Ka Physics Objective Question for Students

Non-inertial frames are:

When the torque acting on a system is zero, what is conserved?

The area under the torque vs. angular displacement is:

The ratio of the moment of inertia of one hollow sphere to a solid sphere of the same mass and radius is:

The moment of inertia of a body comes into play:

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