Refer to BITSAT Physics Gravitation MCQs provided below. BITSAT Full Syllabus Physics MCQs with answers available in Pdf for free download. The MCQ Questions for Full Syllabus Physics with answers have been prepared as per the latest syllabus, BITSAT books and examination pattern suggested in Full Syllabus by BITSAT, NCERT and KVS. Multiple Choice Questions for Gravitation are an important part of exams for Full Syllabus Physics and if practiced properly can help you to get higher marks. Refer to more Chapter-wise MCQs for BITSAT Full Syllabus Physics and also download more latest study material for all subjects
MCQ for Full Syllabus Physics Gravitation
Full Syllabus Physics students should refer to the following multiple-choice questions with answers for Gravitation in Full Syllabus. These MCQ questions with answers for Full Syllabus Physics will come in exams and help you to score good marks
Gravitation MCQ Questions Full Syllabus Physics with Answers
Question: A body moves in a circular orbit of radius R under the action of a central force. Potential due to the central force is given by V(r) = kr (k is a positive constant). Period of revolution of the body is proportional to :
- a) R1/2
- b) R–1/2
- c) R–3/2
- d) R–5/2
Answer: R1/2
Question: What is the minimum energy required to launch a satellite of mass m from the surface of a planet of mass M and radius R in a circular orbit at an altitude of 2R?
- a)
- b)
- c)
- d)
Answer:
Question: Kepler's third law states that square of period of revolution (T) of a planet around the sun, is proportional to third power of average distance r between sun and planet i.e. T2 = Kr3 here K is constant. If the masses of sun and planet are M and m respectively then as per Newton's law of gravitation force of attraction between them is F
here G is gravitational constant. The relation between G and K is described as
- a) GMK = 4π2
- b) K = G
- c)
- d) GK = 4π2
Answer: GMK = 4π2
Question: What should be the velocity of rotation of earth due to rotation about its own axis so that the weight of a person becomes of the present weight at the equator. Equatorial radius of the earth is 6400 km.
- a) 8.7 × 10–7 rad/s
- b) 7.8 × 10–4 rad/s
- c) 6.7 × 10–4 rad/s
- d) 7.4 × 10–3 rad/s
Answer: 7.8 × 10–4 rad/s
Question: An artificial satellite is moving in a circular orbit around the earth with a speed equal to half the magnitude of the escape velocity from the earth. The height (h) of the satellite above the earth’s surface is (Take radius of earth as Re)
- a) h = R2e
- b) h = Re
- c) h = 2Re
- d) h = 4Re
Answer: h = Re
Question: A spherically symmetric gravitational system of particles has a mass density where ρ0 is a constant. A test mass can undergo circular motion under the influence of the gravitational field of particles. Its speed V as a function of distance r (0 < r < ∞) from the centre of the system is represented by
- a)
- b)
- c)
- d)
Answer:
Question: If the radius of the earth were to shrink by one per cent, its mass remaining the same, the value of g on the earth’s surface would
- a) increase by 0.5%
- b) increase by 2%
- c) Decrease by 0.5%
- d) Decrease by 2%.
Answer: increase by 2%
Question: A man of mass m starts falling towards a planet of mass M and radius R. As he reaches near to the surface, he realizes that he will pass through a small hole in the planet. As he enters the hole, he sees that the planet is really made of two pieces a spherical shell of negligible thickness of mass 2M/3 and a point mass M/3 at the centre. Change in the force of gravity experienced by the man is
- a)
- b) 0
- c)
- d)
Answer:
Question: Geo-stationary satellite is one which
- a) Remains stationary at a fixed height from the earth’s surface
- b) Revolves like other satellites but in the opposite direction of earth’s rotation
- c) Revolves round the earth at a suitable height with same angular velocity and in the same direction as earth does about its own axis
- d) None of these
Answer: Revolves round the earth at a suitable height with same angular velocity and in the same direction as earth does about its own axis
Question: Suppose the gravitational force varies inversely as the nth power of distance. Then the time period of a planet in circular orbit of radius ‘R’ around the sun will be proportional to
- a) Rn
- b)
- c)
- d)
Answer:
Question: Two planets A and B have the same material density. If the radius of A is twice that of B, then the ratio of the escape velocity vA/vB is
- a) 2
- b)
- c)
- d) 1/2
Answer: 2
Question: The rotation of the earth having radius R about its axis speeds upto a value such that a man at latitude angle 600 feels weightless. The duration of the day in such case will be :
- a)
- b)
- c)
- d)
Answer:
Question: The gravitational field in a region is given by The change in the gravitational potential energy of a particle of mass 1 kg when it is taken from the origin to a point (7 m, – 3 m) is:
- a) 71 J
- b) 13√58J
- c) – 71 J
- d) 1 J
Answer: 1 J
Question: A particle released at a large distance from a planet reaches the planet only under gravitational attraction and passes through a smooth tunnel through its centre. If ve is the escape velocity of a body at centre of the planet, then the particle’s speed at the centre of the planet is :
- a) ve
- b) √1.5 ve
- c) 1.5 ve
- d) 2ve
Answer: ve
Question: 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
- a) 5
- b) 10
- c) 6√2
- d) 6/ √2
Answer: 6√2
Question: The potential energy of a satellite of mass m and revolving at a height Re above the surface of earth where Re = radius of earth, is
- a) – m g Re
- b)
- c)
- d)
Answer:
Question: Geo-stationary satellite is one which
- a) Remains stationary at a fixed height from the earth’s surface
- b) Revolves like other satellites but in the opposite direction of earth’s rotation
- c) Revolves round the earth at a suitable height with same angular velocity and in the same direction as earth does about its own axis
- d) None of these
Answer: Revolves round the earth at a suitable height with same angular velocity and in the same direction as earth does about its own axis
Question: Two planets A and B have the same material density. If the radius of A is twice that of B, then the ratio of the escape velocity vA/vB is
- a) 2
- b) 2
- c) 1/ √2
- d) 1/2
Answer: 2
Question: 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
- a) 5
- b) 10
- c) 6 √2
- d) 6/ √2
Answer: 6 √2
Question: A particle released at a large distance from a planet reaches the planet only under gravitational attraction and passes through a smooth tunnel through its centre. If ve is the escape velocity of a body at centre of the planet, then the particle’s speed at the centre of the planet is :
- a) ve
- b) √1.5 ve
- c) 1.5 ve
- d) 2ve
Answer: ve
More Study Material
BITSAT Full Syllabus Physics Gravitation MCQs
We hope students liked the above MCQs for Gravitation designed as per the latest syllabus for Full Syllabus Physics released by BITSAT. Students of Full Syllabus should download the Multiple Choice Questions and Answers in Pdf format and practice the questions and solutions given in above Full Syllabus Physics MCQs Questions on daily basis. All latest MCQs with answers have been developed for Physics by referring to the most important and regularly asked topics which the students should learn and practice to get better score in school tests and examinations. Studiestoday is the best portal for Full Syllabus students to get all latest study material free of cost.
MCQs for Physics BITSAT Full Syllabus Gravitation
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Gravitation MCQs Physics BITSAT Full Syllabus
All MCQs given above for Full Syllabus Physics have been made as per the latest syllabus and books issued for the current academic year. The students of Full Syllabus can refer to the answers which have been also provided by our teachers for all MCQs of Physics so that you are able to solve the questions and then compare your answers with the solutions provided by us. We have also provided lot of MCQ questions for Full Syllabus Physics so that you can solve questions relating to all topics given in each chapter. All study material for Full Syllabus Physics students have been given on studiestoday.
Gravitation BITSAT Full Syllabus MCQs Physics
Regular MCQs practice helps to gain more practice in solving questions to obtain a more comprehensive understanding of Gravitation concepts. MCQs play an important role in developing understanding of Gravitation in BITSAT Full Syllabus. Students can download and save or print all the MCQs, printable assignments, practice sheets of the above chapter in Full Syllabus Physics in Pdf format from studiestoday. You can print or read them online on your computer or mobile or any other device. After solving these you should also refer to Full Syllabus Physics MCQ Test for the same chapter
BITSAT MCQs Physics Full Syllabus Gravitation
BITSAT Full Syllabus Physics best textbooks have been used for writing the problems given in the above MCQs. If you have tests coming up then you should revise all concepts relating to Gravitation and then take out print of the above MCQs and attempt all problems. We have also provided a lot of other MCQs for Full Syllabus Physics which you can use to further make yourself better in Physics
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Multiple Choice Questions (MCQs) for Gravitation Full Syllabus Physics are objective-based questions which provide multiple answer options, and students are required to choose the correct answer from the given choices.