11th Physics System of Particles And Rotational Motion MCQ Quiz

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System Of Particles And Rotational Motion MCQ Test

Time: 10 Minutes for 10 Question.

11th Physics: System Of Particles And Rotational Motion

1 / 10

1. The direction of the vector product a × b is given by:

The right-hand rule

The left-hand rule

The parallelogram law

The triangle law

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2 / 10

2. A rigid body is said to be in mechanical equilibrium if:

It is at rest

It is moving with constant velocity

It is rotating with constant angular velocity

Both its linear and angular momentum are not changing with time

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3 / 10

3. The motion of the centre of mass of a system of particles is governed by:

Internal forces

External forces

Both internal and external forces

Neither internal nor external forces

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4 / 10

4. A rigid body is in pure translational motion if, at any instant of time, all particles of the body have:

Equal velocity

Equal acceleration

Equal force

Equal momentum

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5 / 10

5. The centre of gravity of a body coincides with its centre of mass:

Always

Never

Only if the body is symmetrical

Only if the gravitational field is uniform

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6 / 10

6. A rigid body constrained to move along a straight line can have:

Rotational motion only

Translational motion only

Either translational or rotational motion

Neither translational nor rotational motion

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7 / 10

7. The energy possessed by the body by virtue of its motion is known as?

Chemical energy

Thermal energy

Potential energy

Kinetic energy

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8 / 10

8. The flywheel is used in machines to:

Increase the speed

Decrease the speed

Store rotational energy

All of the above

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9 / 10

9. The kinetic energy of a body rotating with angular velocity ω about a fixed axis is given by:

1/2 Iω2

Iω2

1/2 I2ω

1/2 Iω

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10 / 10

10. The angular velocity of a rigid body rotating about a fixed axis is:

A scalar quantity

A vector quantity directed along the axis of rotation

A vector quantity directed perpendicular to the axis of rotation

A vector quantity directed radially outward from the axis of rotation

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Chapter wise quiz of 11th class Physics MCQ

Mohit Sinha

I’m Mohit Sinha! With a Master’s degree in Physics, I bring a deep understanding of the subject to my teaching. I specialize in guiding students through the complexities of Physics for 11th and 12th grades and also offer English instruction from 1st to 12th grade. When I'm not in the classroom, I'm passionate about creating engaging educational content for QuizRanker.org, where I help make learning both fun and effective.

System Of Particles And Rotational Motion MCQ Test

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Chapter wise quiz of 11th class Physics MCQ

Mohit Sinha