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Gravitation

Physics solved MCQ test series and practice questions with answers from the chapter “Gravitation”. Prepare at home (Ghar Baithe Taiyari Kare) for NTA NEET, JEE Main, all national and state level engineering and medical entrance exams.

Gravitation (Topics / Syllabus)

Kepler’s laws of planetary motion. Laws of Gravitation - the universal law of gravitation. Acceleration due to gravity and its variation with altitude and depth. Gravitational Forces. Gravitational potential energy and Field; Escape velocity, orbital velocity of a satellite. Geostationary satellites. Motion of planets and satellites in circular orbits.

Physics Practice Questions: Gravitation

India Study Solution MCQ Test Series – Set 3 (Q. No. 21 - 30)

• (Q. No. 1-10): Free online Physics MCQ test series for JEE, NEET-UG, AIPMT, Engineering and Medical Admission Tests - GRAVITATION

• (Q. No. 11-20): Physics Gravitation India Study Solution Test Series with answers

Question 21: If the change in the value of g at a height h above the surface of earth is the same as at a depth d below it (both h and d are much smaller than the radius of the earth), then:

a. d = h    b. d = 2h    c. d = h/2    d. d = h²

Question 22: The weight of a body will appear to be zero when

a. It is kept at the centre of the earth

b. It is freely falling

c. It is inside the satellites orbiting around the earth

d. All of these

Question 23: A satellite launching station should be

a. Near the equator region

b. Near the polar region

c. On the polar axis

d. On any place

Question 24: For the moon to cease to remain the earth’s satellite, its orbital velocity has to increase by a factor –

a. 2    b. √2    c. 1/√2    d. √3

Question 25: What will be the formula of mass of the earth in terms of g, R and G?

Question 26: Gravitational force between a point mass m and M separated by a distance is F. Now, if a point mass 2m is placed next to m in contact with it, the force on M due to m and the total force on M are:

a. 2F, F    b. F, 2F    c. F, 3F    d. F, F

Question 27: The distances of Neptune and Saturn from the sun are nearly 10¹³ and 10¹² meters respectively. Assuming that they move in circular orbits, their periodic times will be in the ratio –

a. √10    b. 100    c. 10√10    d. 1/√10

Question 28: Which of the following graphs shows the variation of acceleration due to gravity g with depth h from the surface of the earth?

(1) (a)    (2) (b)    (3) (c)    (4) (d)

Question 29: A satellite is revolving around the earth in a circular orbit with a uniform speed. If the gravitational force suddenly disappears, then the satellite will

a. Continue to move in the same orbit with that speed

b. Move tangentially to the orbit with that speed

c. Move away from the earth normally to the orbit

d. Fall down on the earth

Question 30: A satellite can be in a geostationary orbit around a planet at a distance r from the centre of the planet. If the angular velocity of the planet about its axis doubles, a satellite can now be in a geostationary orbit around the planet if its distance from the centre of the planet is –

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 Gravitation - More Questions Answers  

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• Free online Physics MCQ test series for IIT, JEE Main, JEE Advanced, NEET, AIPMT, Engineering and Medical Joint Entrance Exams - GRAVITATION

Free online preparation for NEET, IITJEE, AIPMT, NAT, COMEDK, JIPMER | Practice Questions Test Series | Physics - Gravitation

Physics MCQ test series and practice questions from the chapter “Gravitation”. Prepare for IITJEE, NEET, MBBS and Engineering Admission Tests, all national and state level joint entrance tests.

India Study Solution - Physics MCQ Test Series and Practice Questions on Gravitation

Syllabus: Kepler’s laws of planetary motion. Laws of Gravitation - the universal law of gravitation. Acceleration due to gravity and its variation with altitude and depth. Gravitational Forces. Gravitational potential energy and Field; Escape velocity, orbital velocity of a satellite. Geostationary satellites. Motion of planets and satellites in circular orbits.

Physics Practice Questions MCQs: Gravitation

Multiple Choice Questions (MCQs) – Set 2 (Q. No. 11 - 20)

Question 11: If a planet consists of a satellite whose mass and radius were both half that of the earth, the acceleration due to gravity at its surface would be:

Question 12: Which of the following graphs between the square of the time period and cube of the distance of the planet from the sun is correct?

Question 13: Force of gravity is least at

a. The equator                                      

b. The poles

c. A point in between equator and any pole  

d. None of these

Question 14: Which of the following is the evidence to show that there must be a force acting on earth and directed towards the sun?

a. Deviation of falling bodies towards east

b. Revolution of the earth around the sun

c. Apparent motion of the sun round the earth

d. Phenomenon of day and night

Question 15: A particle of mass ‘m’ is kept at rest at a height 3R from the surface of earth, where ‘R’ is radius of earth and ‘M’ is mass of earth. The minimum speed with which it should be projected, so that it does not return back, is -

(g is acceleration due to gravity on the surface of earth)

Question 16: For a satellite in elliptical orbit which of the following quantities does not remain constant:

a. Angular momentum    b. Momentum    c. Areal velocity    d. Total energy

Question 18: The acceleration due to gravity at pole and equator can be related as –

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Gravitation - More Practice Questions & Solved Test Series 

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Free online Physics MCQ test series for IITJEE, NEET, AIPMT, Engineering and Medical Joint Entrance Exams - GRAVITATION

Physics MCQs and practice questions on randomly selected topics from the chapter “Gravitation” helpful for IITJEE, NEET, other national and state level engineering and medical Joint Entrance Exams, MBBS Admission Tests such as - All India Pre-Veterinary Test, NAT (National Aptitude Test), ISAT (IIST Admission Test) and other competitive examinations.

Physics MCQ Test Series on Gravitation

Kepler’s laws of planetary motion. Laws of Gravitation - the universal law of gravitation. Acceleration due to gravity and its variation with altitude and depth. Gravitational Forces. Gravitational potential energy and Field; Escape velocity, orbital velocity of a satellite. Geostationary satellites. Motion of planets and satellites in circular orbits.

Physics Practice Questions MCQs: Gravitation

Multiple Choice Questions (MCQs) – Set 1 (Q. No. 1 - 10)

Question 1: Satellite is revolving around earth. If it’s radius of orbit is increased to 4 times of the radius of geostationary satellite, what will become its time period:

a. 8 days    b. 4 days    c. 2 days     d. 16 days

Question 2: Which of the following quantities related to planets remains same during their motion in elliptical orbits as seen from the sun?

a. Angular speed    b. Speed    c. Kinetic energy    d. Angular momentum

Question 3: The value of G depends upon

a. The mass of bodies               b. The medium between the bodies

c. The temperature of bodies    d. It is an independent constant

Question 4: The gravitational force between two stones of mass 1 kg each separated by a distance of 1 metre in vacuum is –

a. Zero    b. 6.675 x 10^-5 newton    c. 6.675 x 10^-11 newton    d. 6.675 x 10^-8 newton

Question 5: A body of mass ‘m’ taken from the earth’s surface to the height equal to twice the radius (R) of the earth. The change in potential energy of body will be

Question 6: If radius of earth is R then the height h at which the value of g becomes one-fourth is:

a. 2R    b. 3R    c. R    d. 4R

Question 7: A planet moves faster at

a. Aphelion    b. Perihelion   c. Focus    d. It travels with uniform speed

Question 8: An object is placed at a distance of R/2 from the centre of earth. Knowing mass is distributed uniformly, acceleration of that object due to gravity at that point is: (g = acceleration due to gravity on the surface of earth and R is the radius of earth)

a. g    b. 2g    c. g/2    d. none of these

Question 9: Find the false statement

a. Gravitational force acts along the line joining the two interacting particles  

b. Gravitational force is independent of medium

c. Gravitational force forms an action-reaction pair                                          

d. Gravitational force does not obey the principle of superposition

Question 10: A geostationary satellite is orbiting the earth at a height of 5R above that surface of the earth, R being the radius of the earth. The time period of another satellite in hours at a height of 2R from the surface of the earth is

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Gravitation - Solved Practice Questions / Test Series

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