NEET UG Physics Gravitational MCQs with answers available in Pdf for free download. The MCQ Questions for NEET Physics with answers have been prepared as per the latest NEET Physics syllabus, books and examination pattern. Multiple Choice Questions form important part of competitive exams and NEET exam and if practiced properly can help you to get higher rank. Refer to more topic wise NEET Physics Questions and also download more latest study material for all subjects and do free NEET Physics Mock Test

## Gravitational NEET Physics MCQ

NEET Physics students should refer to the following multiple-choice questions with answers for Gravitational in NEET. These MCQ questions with answers for NEET Physics will come in exams and help you to score good marks

### Gravitational MCQ Questions with Answers

**26. If the density of smalll planet is that of the same as that of the earth while the radius of the**

**planet is 0.2 times that of lthe earth, the gravitational acceleration on the surface of the planet**

**is______.**

**27. If mass of a body is M on the earth surface, than the mass of the same body on the moon**

**surfae is**

**28. An object weights 72 N on the earth. Its weight at a height R/2 from earth is = ______ N**

**29. If the radius of earth is R then height ‘h’ at which value of ‘g’ becomes one - fourth is**

**30. If the mass of earth is 80 times of that of a planet and diameter is double that of planet and**

**‘g’ on the earth is 9.8 ms-2 , then the value of ‘g’ on that planet is = _____ms**

^{-2}**31. Assuming earth to be a sphere of a uniform density, what is value of gravitational acceleration**

**in mine 100 km below the earth surface = ______ ms**

^{-2}**32. Let g be the acceleration due to gravity at earth’s surface and k be the rotational K.E. of earth**

**suppose the earth’s radius decreases by 2% keeping alt other quantities same then**

**33. A body weight 500 N on the surface of the earth. How much would it weight half way below**

**the surface of earth**

**35. At what height over the earth’s pole, the free fall acceleration decreases by one percent = ______ km (Re = 6400 km).**

**36. Weight of a body is maximum at**

**37. At what distance from the center of earth, the value of aceeleration due to gravity g will be**

**half that of the surfaces (R = Radius of earth)**

**42. Weight of body of mass m decreases by 1% when it is raised to height h above the earth’s**

**surface. If the body is taken to a depth h in a mine. change in its weight is**

**43. If density of earth increased 4 times and its radius becomes half of then out weight will be____**

**44. A man can jump to a height of 1.5 m on a planet A what is the height ne may be able to**

**jump on another planet whose density and radius are respectively one- quater and one- third**

**that of planet A**

**45. If the value of ‘g’ acceleration due to gravity, at earth surface fis 10ms**

^{–2}. its value in ms^{–2}**at the center of earth, which is assumed to be a sphere of Radius ‘R’ meter and uniform density is**

**46. A research satellite of mass 200 kg. circles the earth in an orbit of avrage radius 3R/2 where R is radius of earth. Assuming the gravitational pull 10 N, the pull on the satellite will be = _____ N**

**98. As astronaut orbiting the earth in a circular orbit 120 km above the surface of earth,gently drops**

**a spoon out of space-ship. The spoon will**

**99. The period of a satellite in cirular orbit around a planet is independent of**

**100. Two satellites A and B go round a planet p in circular orbits having radii 4 R and R respectively**

**if the speed of the satellite A is 3V, the speed if satellite B will be**

**101. A small satellite is revolveing near earth’s surface. Its orbital velocity will be nearly**

**=_______kms**

^{–1}.**102. A satellite revolves around the earth in an elliptical orbit. Its speed**

**104 A satellite is moving around the earth with speed v in a circular orbit of radius r. If the orbit**

**radius is decreasd by 1% its speed will**

**105. Orbital velocity of an artifiicial satellite does not depend upon**

**106. orbital velocity of eath’s satellite near the surface is 7 kms**

^{–1}. when the radius of orbit is 4 times**that of earth’s radius, then orbital velocity in that orbit is = _____ kms**

^{-1}**107. Two identical satellites are at R and 7R away from each surface, the wrong statement is**

**(R - Radius of earth)**

**108. Which one of follwoing sttements regarding artificial satellite of earth is incorrect**

^{-1}is required by a satellite to orbit quite close to the earth.

**109. The weight of an astronuat, in an artificial satellite revolving around the earth is**

**110. The distance of a geo-stationary satellite from the center of the earth (Radius R= 6400km) is nearest to**

**116. When a satellite going round the earth in a circular obrit of radius r and speed v loses some**

**of its energy, then r and v changes as**

**117. The time period of a satellite of earth is 5 hours If the sepration between the earth and the**

**satellite is increased to four times the previous value, the new time period will become ____ hours**

**118. A person sitting in a chair in a satellite feels weightless because**

**119. Two satellites A and B go round a planet in cirular orbits having radii 4R and R respectively**

**If the speed of satellite A is 3v, then speed of satellite B is**

**120. A satellite moves in a circle around the earth, the radius of this circlr is equal to one half of**

**the radius of the moon’s orbit the satellite completes one revolution in _____ lunar month**

^{–3/2}(D) 12

^{3/2}

**123. A satellite of mass m is orbiting close to the surface of the earth (Radius R = 6400 km) has**

**a K.E. K. The corresponding K.E. of satellite to escape from the earth’s gravitational field is**

**128. The period of a satellite in a circular orbit of radius R is T. the period of another satellite**

**in a circular orbit of radius 4R is**

**129. If the earth is at one- fourth of its present distance from the sun the duration of year will be**

**130. The orbital speed of jupiter is**

**131. Kepler’s second law regarding constancy of aerial velocity of a palnet is consequence of the**

**law of conservation of**

**Assertion - Reason Type Questions**

**Direction (Read the following uestions and choose)**

**(A) If both Assertion and Reason are true and the Reason is correct explanation of assertion**

**(B) If both Assertion and Reason are true, but reason is not correcte explanation of the Assertion**

**(C) If Assertion is true, but the Reason is false**

**(D) If Assertion is false, but the Reason is true**

**Assertion - Reason Type question Answers**

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