Chapter 7: Gravitation MCQs | physics Class 11 CBSE

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Chapter 7: Gravitation MCQs | physics Class 11 CBSE | ByteNotes.in

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Question 1

Objective

Which of the following correctly states Kepler's law of orbits?

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Question 2

Objective

The law of areas (Kepler's second law) is a consequence of:

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Question 3

Objective

According to Kepler's third law, if a planet's orbital period is T and semi-major axis is a, then:

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Question 4

Objective

A planet moves faster in its orbit when it is:

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Question 5

Objective

The value of the universal gravitational constant G is:

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Question 6

Objective

Who first measured the value of G experimentally?

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Question 7

Objective

The acceleration due to gravity at the surface of the Earth is given by:

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Question 8

Objective

At a depth d below Earth's surface, the acceleration due to gravity is:

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Question 9

Objective

At a height h above Earth's surface (h << RE), the acceleration due to gravity is approximately:

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Question 10

Objective

Where is the acceleration due to gravity maximum?

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Question 11

Objective

The gravitational potential energy of a mass m at distance r from the centre of the Earth (r > RE) is:

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Question 12

Objective

The escape speed from Earth's surface is approximately:

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Question 13

Objective

The escape speed from the Moon's surface is approximately:

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Question 14

Objective

The escape speed from the surface of a planet does NOT depend on:

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Question 15

Objective

The total mechanical energy of a satellite in a circular orbit is:

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Question 16

Objective

For a satellite in a circular orbit, the magnitude of its kinetic energy equals:

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Question 17

Objective

The orbital speed of a satellite in a circular orbit of radius r around the Earth is proportional to:

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Question 18

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The time period of a satellite in a circular orbit of radius r around the Earth is proportional to:

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Question 19

Objective

A uniform hollow spherical shell of mass M exerts gravitational force on a point mass m placed inside it. The force is:

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Question 20

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For an astronaut in a space satellite orbiting Earth, weightlessness is experienced because:

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Chapter 7: Gravitation | MCQs

Which of the following correctly states Kepler's law of orbits?

The law of areas (Kepler's second law) is a consequence of:

According to Kepler's third law, if a planet's orbital period is T and semi-major axis is a, then:

A planet moves faster in its orbit when it is:

The value of the universal gravitational constant G is:

Who first measured the value of G experimentally?

The acceleration due to gravity at the surface of the Earth is given by:

At a depth d below Earth's surface, the acceleration due to gravity is:

At a height h above Earth's surface (h << RE), the acceleration due to gravity is approximately:

Where is the acceleration due to gravity maximum?

The gravitational potential energy of a mass m at distance r from the centre of the Earth (r > RE) is:

The escape speed from Earth's surface is approximately:

The escape speed from the Moon's surface is approximately:

The escape speed from the surface of a planet does NOT depend on:

The total mechanical energy of a satellite in a circular orbit is:

For a satellite in a circular orbit, the magnitude of its kinetic energy equals:

The orbital speed of a satellite in a circular orbit of radius r around the Earth is proportional to:

The time period of a satellite in a circular orbit of radius r around the Earth is proportional to:

A uniform hollow spherical shell of mass M exerts gravitational force on a point mass m placed inside it. The force is:

For an astronaut in a space satellite orbiting Earth, weightlessness is experienced because:

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