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# Physics Gravitation Test 2 Online MCQs

 Test Name Gravitation MCQs Test Subject Physics Test Type MCQs Total Question 15 Total Marks 30 Total Time 15 Mints Test Help For Physics Subject Test Prep. All Admissions Test. All Jobs and recruitment Test prep. Medical and BDS Test prep. Engineering and B Tech Test prep.

Get the information about Gravitation and how it works and effects of Gravitation on other things by attempting the Physics Gravitation multiple choice questions. All these questing is helpful for the preparation of MCAT, engineering, medical and admission test.

## Physics

1. A geostationary satellite is orbiting the earth at a height of 6 R from the earth’s surface (R is the earth’s radius). What is the period of rotation of another satellite at a height of 2.5 R from the earth’s surface

Question 1 of 15

2. If a mass of a body is M on the earth surface, the mass of the same body on moon surface will be

Question 2 of 15

3. The value of acceleration due to gravity, at earth surface is g. Its value at the center of the earth, which we assume as a sphere of radius R and of uniform mass density, will be:

Question 3 of 15

4. If the mass of moon is M/81, where M is the mass of earth, find the distance of the point from the moon, where gravitational field due to earth the moon cancel each other. Given that distance between earth and moon is 60R where R is the radius of earth

Question 4 of 15

5. Escape velocity of a body when projected from the earth’s surface is 11.2 km/sec. If it is projected at an angle of 50° from the horizontal, then escape velocity is:

Question 5 of 15

6. The earth rotates about the sun in an elliptical orbit as shown in figure. At which point its velocity will be maximum? Question 6 of 15

7. A satellite is launched into a circular orbit of radius R around the earth. While a second satellite launched into an orbit of radius 1.01R. The period of the second satellite is longer than the first one by approximately

Question 7 of 15

8. The radius of earth is about 6400 km and that of mass is about 3200 km. The mass if the earth is about 10 times of the mass. The object weighs 200 N on earth surface, then its weight on the surface of mars will be

Question 8 of 15

9. The ratio of the radii of two planets r₁ and r₂ is k. The ratio of acceleration due to gravity on them is r. then the ratio of the escape velocities from them, will be:

Question 9 of 15

10. Gravitational mass is proportional to the gravitational:

Question 10 of 15

11. A satellite S is moving in an elliptical orbit around the earth. The mass of the satellite is very small compared to the mass of the earth. Then

Question 11 of 15

12. The velocity with which a projectile must be fired so that it escapes earth’s gravitation does not depend on:

Question 12 of 15

13. A long straight wire or radius a carries a steady current I. The current is uniformly distributed across its cross section. The ratio of the magnetic field at a/2 and 2a is

Question 13 of 15

14. Height of geostationary satellite is

Question 14 of 15

15. If the earth were to cease rotating about its own axis. The increase in the value of g in C.G.S. system at a place of latitude of 45° will be

Question 15 of 15

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