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# Gravitation: 9th Class Physics Chapter 5 Solved MCQs

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This post contains 9th Class Physics Chapter 5 Solved MCQs for students. This chapter’s name is gravitation. These Multiple Choice Questions from Chapter 5 Physics of Class 9 are presented here for practice.

## Gravitation: 9th Class Physics Chapter 5 Solved MCQs

You may also like: MCQs of Chapter 4  –  MCQs of Chapter 6

1. The value of “g” at a height of Earth’s radius above the surface of the Earth is:

(A) 2g
(B) ½ g
(C) 1/3 g
(D) ¼ g

(D) ¼ g

2. Earth’s gravitational force vanishes at:

(A) 6400 km
(B) Infinity
(C) 42300 Km
(D) 1000 km

(B) Infinity

3. Moon completes its one revolution around the earth in:

(A) One day
(B) 17.3 days
(C) 22.3 days
(D) 27.3 days

(D) 27.3 days

4. The orbital speed of a low orbit satellite is:

(A) Zero
(B) 8 Km/s
(C) 800 ms-¹
(D) 8000 ms-¹

(B) 8 Km/s

5. The value of “g” at the moon is:

(A) 1.7 ms-²
(B) 1.6 ms-²
(C) 10 ms-²
(D) 9.8 ms-²

(B) 1.6 ms-²

6. A force which is inversely proportional to the square the distance between the centers of bodies is:

(A)Frictional force
(B) Centrifugal force
(C) Centripetal force
(D) Gravitational force

(D) Gravitational force

7. The centre of gravity of an irregular shaped body can be found with the help of:

(A) Screw gauge
(B) Plumbline
(C) Meter rod
(D) Wedge

(B) Plumbline

8. Value of “g” increases with the:

(A) Increase in the mass of the body
(B) Increase in altitude
(C) Decrease in altitude
(D) None of the above

(C) Decrease in altitude

9. The value of “g” at a height one Earth’s radius above the surface of the Earth is:

(A) 2 g
(B) ½ g
(C) 1/3 g
(D) ¼ g

(D) ¼ g

10. The value of “g” on the moon’s surface is 1.6ms-². What will be the weight of a 100 kg body on the surface of the moon?

(A) 100 N
(B) 160 N
(C) 1000 N
(D) 1600 N

(B) 160 N

9th Class Physics Chapter 5 Short Questions and Answers are also available.