Gravitation


5 Questions MCQ Test Gravitation | Gravitation


Description
This mock test of Gravitation for Class 12 helps you for every Class 12 entrance exam. This contains 5 Multiple Choice Questions for Class 12 Gravitation (mcq) to study with solutions a complete question bank. The solved questions answers in this Gravitation quiz give you a good mix of easy questions and tough questions. Class 12 students definitely take this Gravitation exercise for a better result in the exam. You can find other Gravitation extra questions, long questions & short questions for Class 12 on EduRev as well by searching above.
QUESTION: 1

The period of artificial geostationary satellite is

Solution:
QUESTION: 2

If the mass of the earth is not changed and its radius decreased by 1% then the acceleration due to gravity on the surface of the earth would be:

Solution:
QUESTION: 3

When satellite orbits close to a planet, its time period depends upon:

Solution:

A time period of a satellite is the time taken by the satellite to go once around the earth.
T = 2π(r3/√MG), where r = R + D,
 if D is very small wrt to R so D can be neglected .
So T = 2π(√1/Mσ), where σ is density of the planet.
so here clearly we can see if the orbit of the satellite is very close to the planet then its period depends only on the density of the planet.

QUESTION: 4

The value of universal gravitational constant G is:

Solution:
QUESTION: 5

When body falls towards earth its motion is due to:

Solution:

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