Physics Gravitation Test 1 Online MCQs Question Answer
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# Physics Gravitation Test 1 Online MCQs

 Test Name Physics Gravitation MCQs Test Subject Physics Test Type MCQs Total Question 20 Total Marks 40 Total Time 20 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 its mechanism 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. The acceleration due to gravity at a height 1/20th of the radius of the earth above the earth surface is 9 ms-2. Its value at a point at an equal distance below the surface of the earth in ms-2 is about:

Question 1 of 20

2. Gravitational intensity at a place is given by:

Question 2 of 20

3. Two spherical planets A and B have same mass but densities in the ratio 8 : 1. For these planets, the acceleration due to gravity at the surface of A to its value at the surface of B is:

Question 3 of 20

4. What will happen to the weight of the body at the south pole, if the earth stops rotating about its polar axis?

Question 4 of 20

5. Intensity of gravitational field of earth is maximum at:

Question 5 of 20

6. At what height from the surface of the earth, the total energy of the satellite is equal to its potential energy at a height of 2R from the surface of earth (R = radius of earth)

Question 6 of 20

7. A pendulum is taken to a place where the acceleration due to gravity is 1/6th that of earth’s surface. How would its length be change to keep its time period same?

Question 7 of 20

8. If both the masses and radius of the earth, each decreases by 50%, the acceleration due to gravity would:

Question 8 of 20

9. Sun is about 330 times heavier and 100 times bigger in radius than earth. The ratio of mean density of the sun to that of earth is:

Question 9 of 20

10. If g is the acceleration due to gravity on the earth’s surface, the gain in potential energy of earth at a height equal to three times the radius R of the earth will be:

Question 10 of 20

11. If R is the radius of the earth and g is acceleration due to gravity on the earth’s surface, the mean density of earth is:

Question 11 of 20

12. At a distance 320km above the surface of earth, the value of acceleration due to gravity will be lower than its value on the surface of the earth by nearly (radius of earth = 6400 km)

Question 12 of 20

13. Weight of the body is defined as the product of its mass and acceleration due to gravity i.e. W = mg. If weight of a body is 600 N and g is taken as 10 ms-2, then the mass of the body will be:

Question 13 of 20

14. If one moves from the surface of earth to moon, what will be the effect on its weight?

Question 14 of 20

15. A mass m is placed at a point B in the gravitational mass M. When the mass m is brought from B near to point A, its gravitational potential energy will:

Question 15 of 20

16. The gravitational intensity at any point due to earth inside the earth is:

Question 16 of 20

17. One goes from the centre of the earth to a distance two third the radius of the earth, where will the acceleration due to gravity be the greatest?

Question 17 of 20

18. The radii of two planets are respectively R1 and R2 and their densities are respectively P1 and P2. The ratio of the accelerations due to gravity (g1/g2) at their surface is:

Question 18 of 20

19. The period of a satellite in a circular orbit around a planet is independent of:

Question 19 of 20

20. Mars has about 1/10th as much mass as the earth and half as greater as diameter. The acceleration of falling body on Mars in ms-2 is about (acceleration due to gravity on earth = 9.8ms-2)

Question 20 of 20

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