Physics MCQ on Gravitation for NEET, JEE, Medical and Engineering Exam 2022

MCQ on Gravitation: Previous trends reveal that NEET/JEE aspirants find Physics as the most challenging section amongst the other sections. But most of them fail to decipher the reason behind this. This particularly can be as the candidates taking up this examination are predominantly medical aspirants with their subject of interest being Biology. Also, sections like Physics are more on theories, laws, numerical as opposed to Biology which is more of fact-based, life sciences and comprising of substantial explanations.MCQ on Gravitation

In this post we are providing you MCQ on Gravitation, which will be beneficial for you in upcoming NEET, AIIMS, JEE, WBJEE, Medical and Engineering Exams.

MCQ on Gravitation

Q1. Choose the factor on which the orbital velocity does not depend when the satellite is orbiting close to the earth’s surface.
a) The mass of the earth
b) The mass of the satellite
c) The orbital radius
d) The radius of the earth

View Answer

(b) The mass of the satellite

Q2.Consider a body of mass m which needs to be moved from an orbit of radius 2R to 3R. What is the energy required ?
a)  GMm/12R²
b) GMm/6R
c) GM8R
d) GMm/3R²

View Answer

(b) GMm/6R

Q3. The atmosphere around the earth is held by ______.
a) Gravity
b) Winds
c) Clouds
d) None of the above

View Answer

(a) Gravity

Q4. The distance between the closest planet and the sun is r1 while the distance between the farthest planet and the sun is r2. The linear velocities of these planets is v1 and v2 respectively. What is the ratio of v1/v2 ?
a) (r1/r2)²
b) (r1/r2)
c) (r2/r1)
d) (r2/r1

View Answer

(c) (r2/r1)

Q5. What happens to the gravitational potential at the centre of the uniform spherical shell which shrinks gradually?
a) Remains constant
b) Decreases
c) Increases
d) Oscillates

View Answer

(b) Decreases

Q6. If a satellite takes time T for revolution, the the kinetic energy is proportional to ______.
a) 1/T
b) T-⅔
c) 1/T²
d) 1/T³

View Answer

(b) T-⅔

Q7. What is the increase in the potential energy of the body with mass m if the body is taken at the height h which is equal to the radius of the earth?
a) mgR
b) 2mgR
c) 1/2mgR
d) 1/4mgR

View Answer

(c) 1/2mgR

Q8. What is the relation between the escape velocity and orbital velocity of a satellite, if the satellite is close to the earth’s surface?
a) ve = √2v0
b)  ve=√2 vo
c) v0=√2ve
d) V0=ve

View Answer

(b) ve=√2 vo

Q9. What happens to the weight of the body if the weight becomes 1/16 at a certain. Also, consider the radius of the earth to be R.
a) 4R
b) 15 R
c) 5R
d) 3R

View Answer

(d) 3 R


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By Team Learning Mantras