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

Question 1 of 10

2. The dimensions of gravitational constant G is

 A

 B

 C

 D

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

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

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

Question 5 of 10

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

 A

 B

 C

 D

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

Question 7 of 10

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

 A

 B

 C

 D

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

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

Question 10 of 10

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