Class 11 Physics Science

MCQ Questions Class 11 Physics Gravitation with Answers

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CBSE Class 11 Physics Chapter 8 Gravitation Multiple Choice Questions with Answers. MCQ Questions Class 11 Physics Gravitation with Answers was Prepared Based on Latest Exam Pattern. Students can solve NCERT Class 11 Physics Gravitation MCQs with Answers to know their preparation level.

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Students who are searching for NCERT MCQ Questions for Class 11 Physics Gravitation with Answers are compiled here to get good practice on all fundamentals. Know your preparation level on MCQ Questions for Class 11 Physics with Answers. You can also verify your answers from our provided MCQ Class 11 Physics Gravitation with Answers. So, ace up your preparation with MCQ of Chapter 8 Physics Objective Questions.

MCQ Questions Class 11 Physics Gravitation with Answers - Set - 1

Question 1: 

There is no atmosphere on the moon because
(a) it is closer to the earth
(b) it revolves round the earth
(c) it gets light from the sun
(d) the escape velocity of gas molecules is less than their root mean square velocity here

Correct Answer – (D)

Question 2 : 

A body is projected vertically from the surface of the earth of radius R with velocity equal to half of the escape velocity. The maximum height reached by the body is
(a) R
(b) R/2
(c) R/3
(d) R/4

Correct Answer – (C)

Question 3 : 

If a body of mass m is taken out from a point below the surface of earth equal to half the radius of earth, R, to a height R above the earths surface, then work done on it will be
(a) (5/6) mgR
(b) (6/7) mgR
(c) (7/8) mgR
(d) (8/9) mgR

Correct Answer – (C)

Question 4 : 

A missile is launched with a velocity less than the escape velocity. The sum of its kinetic and potential energy is
(a) Positive
(b) Negative
(c) Zero
(d) may be positive or negative

Correct Answer – (B)

Question 5 : 

A body weighs 500 N on the surface of the earth. How much would it weight half way below the surface of the earth?
(a) 1000 N
(b) 500 N
(c) 250 N
(d) 125 N

Correct Answer – (C)

MCQ Questions Class 11 Physics Gravitation with Answers

Question 6 : 

The escape velocity for a body projected vertically upwards from the surface of the earth is 11 km/s. If the body is projected at an angle of 450 with the vertical, the escape velocity will be
(a) 11/√2 km/s
(b) 11√2 km/s
(c) 2 km/s
(d) 11 km/s

Correct Answer – (D)

Question 7 : 

A artificial satellite moving in a circular orbit around the earth has a total (kinetic + potential) energy E0. Its potential energy is
(a) 2E0
(b) E0
(c) 1.5 E0
(d) -E0

Correct Answer – (A)

Question 8 : 

What would be the duration of the year if the distance between the earth and the sun gets doubled?
(a) 1032 days
(b) 129 days
(c) 365 days
(d) 730 days

Correct Answer – (A)

Question 9 : 

The time – period of a satellite of earth is 5 hours. If the separation between the earth and the satellite is increased to 4 times the previous value, the new time – period will become
(a) 10 hours
(b) 20 hours
(c) 40 hours
(d) 80 hours

Correct Answer – (C)

Question 10 : 

The radius of the earth is 6400 km and g = 10 m/s². In order that a body of 5 kg weighs zero at the equator, the angular speed of the earth is
(a) 1/80 rad /s
(b) 1/400 rad /s
(c) 1/800 rad /s
(d) 1/1600 rad /s

Correct Answer – (C)

MCQ Questions Class 11 Physics Gravitation with Answers

Set 1
Set 2
Set 3
Set 4
Set 5

NCERT Solutions & Download NCERT Textbooks

MCQ Questions Class 11 Physics System of Particles and Rotational Motion with Answers

Set 1
Set 2
Set 3
Set 4
Set 5

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