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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
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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 Gravitation Test 2 Online MCQs

Physics

1. Gravitational mass is proportional to the gravitational:

Question 1 of 15

2. 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 2 of 15

3. 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 3 of 15

4. Hubble’s law is related with

Question 4 of 15

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

144

Question 5 of 15

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

Question 6 of 15

7. The escape velocity from the earth is 11.2 km/sec. the escape velocity from a planet having twice the radius and the same mean density as the earth, is:

Question 7 of 15

8. 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 8 of 15

9. The force of gravitation is

Question 9 of 15

10. 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 10 of 15

11. The angular speed of earth in rad/s, so that bodies on equator may appear weightless is: [Use g = 10 m/s² and the radius of earth = 6.4 x 10³ km]

Question 11 of 15

12. 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 12 of 15

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

Question 13 of 15

14. 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 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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