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.
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 - 5
Question 1:
The time period of an earth satellite in circular orbit is independent of
(a) both the mass and radius of the orbit
(b) radius of its orbit
(c) the mass of the satellite
(d) neither the mass of the satellite nor the radius of its orbit.
Correct Answer – (D)
Question 2 :
The time period of a satellite in a circular orbit of radius R is T, the period of another satellite in a circular orbit of radius 4 R is
(a) 4 T
(b) T/4
(c) 8 T
(d) T/8
Correct Answer – (C)
Question 3 :
If the length of a simple pendulum is increased by 2%, then the time period
(a) increases by 2%
(b) decreases by 2%
(c) increases by 1%
(d) decreases by 1%
Correct Answer – (C)
Question 4 :
Two bodies of masses 10 kg and 100 kg are separated by a distance of 2m ( G = 6.67 × 10–11 Nm2 kg–2). The gravitational potential at the mid point on the line joining the two is
(a) 7.3 × 10–7 J/kg
(b) 7.3 × 10–9 J/kg
(c) –7.3 × 10–9 J/kg
(d) 7.3 × 10–6 J/kg
Correct Answer – (C)
Question 5 :
At what height from the surface of earth the gravitational potential and the value of g are –5.4 × 107 J kg–1 and 6.0 ms–2 respectively ? Take the radius of earth as 6400 km :
(a) 2600 km
(b) 1600 km
(c) 1400 km
(d) 2000 km
Correct Answer – (A)
MCQ Questions Class 11 Physics Gravitation with Answers
Question 6 :
If the change in the value of g at the height h above the surface of the earth is the same as at a depth ‘x’ below it, then (both x and h being much smaller than the radius of the earth)
(a) x = h
(b) x = 2 h
(c) x = h/2
(d) x = h2
Correct Answer – (B)
Question 7 :
The kinetic energy of a satellite in its orbit around the earth is E. What should be the kinetic energy of the satellite so as to enable it to escape from the gravitational pull of the earth?
(a) 4 E
(b) 2 E
(c) 2 E
(d) E
Correct Answer – (B)
Question 8 :
The distance of neptune and saturn from the sun is nearly 1013 and 1012 meter respectively. Assuming that they move in circular orbits, their periodic times will be in the ratio
(a) 10
(b) 100
(c) 1010
(d) 1000
Correct Answer – (C)
Question 9 :
Two astronauts are floating in gravitation free space after having lost contact with their spaceship. The two will
(a) move towards each other.
(b) move away from each other.
(c) become stationary
(d) keep floating at the same distance between them.
Correct Answer – (A)
Question 10 :
The ratio of escape velocity at earth (ve) to the escape velocity at a planet (vp) whose radius and mean density are twice as that of earth is :
(a) 1 : 2
(b) 1 : 2 2
(c) 1 : 4
(d) 1 : 2
Correct Answer – (B)
- NCERT Solutions Class 11 Physics Chapter 1 : Physical world
- NCERT Solutions Class 11 Physics Chapter 2 : Units And Measurements
- NCERT Solutions Class 11 Physics Chapter 3 : Motion In A Straight Line
- NCERT Solutions Class 11 Physics Chapter 4 : Motion In A Plane
- NCERT Solutions Class 11 Physics Chapter 5 : Laws of Motion
- NCERT Solutions Class 11 Physics Chapter 6 : Work Energy Power
- NCERT Solutions Class 11 Physics Chapter 7 : Rotational-Motion
- NCERT Solutions Class 11 Physics Chapter 8 : Gravitation
- NCERT Solutions Class 11 Physics Chapter 9 : Mechanical Properties of Solids
- NCERT Solutions Class 11 Physics Chapter 10 : Mechanical Properties of Fluids
- NCERT Solutions Class 11 Physics Chapter 11 : Thermal Properties of Matter
- NCERT Solutions Class 11 Physics Chapter 12 : Thermodynamics
- NCERT Solutions Class 11 Physics Chapter 13 : Kinetic Theory
- NCERT Solutions Class 11 Physics Chapter 14 : Oscillations
- NCERT Solutions Class 11 Physics Chapter 15 : Waves
