Law of Gravitation, Class 11 Physics NCERT Solutions

1. There will be total 10 MCQ in this test.
2. Please keep a pen and paper ready for rough work but keep your books away.
3. The test will consist of only objective type multiple choice questions requiring students to mouse-click their correct choice of the options against the related question number.
4. No negative marking for incorrect choice.
5. Please click on “Finish the Test” when you want to exit.
6. All the best – Happy Studying

1. A system consists of two bodies with mass m₁ and m₂ where F is the gravitational force on m₂ due to m₁. A third body is kept next to m₂. Which expression will give the total force on m₁.

A

B

C

D

Your comments:

Question 1 of 10

2. The dimensions of gravitational constant G is

A

B

C

D

Your comments:

Question 2 of 10

3. Gravitational force is a

Another kind of electric force

Force existing only between the earth and human beings living on it

Weak force

Strong force

Your comments:

Question 3 of 10

4. The tides are formed due to:

Force of attraction between moon and ocean water

Force of attraction between earth and ocean water and movement of wind

Movement of Wind

Force of attraction between earth and ocean water

Your comments:

Question 4 of 10

5. Two bodies with same mass "m" separated by a distance "r" exert a gravitational force of F on each other. Suppose the distance between them is doubled and the force becomes F'. The ratio of two forces is

1 : 4

4 : 1

4 : 1

2 : 1

Your comments:

Question 5 of 10

6. What is the value of G in cgs system of units?

A

B

C

D

Your comments:

Question 6 of 10

7. Gravitation follows:

Newton's Third Law of Motion

Gravitation follows none of the principles or laws

Principle of Superposition

Principle of Superposition and Newton's Third Law of Motion

Your comments:

Question 7 of 10

8. G is a universal gravitational constant, its value is

A

B

C

D

Your comments:

Question 8 of 10

9. In orbit, objects inside a spacecraft feel weightless

as mass of objects becomes zero

as acceleration due to gravity is zero in space

as objects inside are in free fall because they have the same acceleration as outside the spacecraft

as acceleration due to gravity is less in spacecraft

Your comments:

Question 9 of 10

10. A 12 kg body attracts a sphere of 4 kg with 14 N force. Calculate the distance between the two bodies.

1.43 x 10^-3 m

1.43 x 10^-5 m

1.43 x 10^-4 m

14.3 x 10^-3 m

Your comments:

Question 10 of 10

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