Gravitation: 9th Class Physics Chapter 5 Solved MCQs

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 purpose. Students should also check Chapterwise 9th Class Physics Solved MCQs. I have taken these Class 9 Physics Chapter 5 MCQs with Answers from  Al-Hassan Super Notes Physics (English Medium) – IX. I will suggest students to go through these Importatnt MCQs from Gravitation Chapter before attempting exams.

Gravitation: Physics 9th Class Chapter 5 Solved MCQs

You may also like: 9th Physics Chapter 5 Short Questions & Numericals

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
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2. Earth’s gravitational force vanishes at:

(A) 6400 km
(B) Infinity
(C) 42300 Km
(D) 1000 km
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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
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4. The orbital speed of a low orbit satellite is:

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

1. 9th Physics Chapter 1 Physical Quantities and Measurement MCQs
2. Class 9 Physics Chapter 2 Kinematics MCQs
3. 9th Physics Chapter 3 Dynamics MCQs
4. Class 9 Physics Chapter 4 Turning Effect of Forces MCQs
5. Class 9 Physics Chapter 6 Work and Energy MCQs
6. 9th Physics Chapter 7 Properties of Matter MCQs