High School Physics

# Gravitation class 11 MCQ

Last updated on July 27th, 2023 at 10:14 am

This post on Gravitation class 11 MCQ presents you with 9 sets of MCQ with answers on the Gravitation chapter of class 11 physics (for CBSE, and ISC boards). This will be helpful to prepare for the class-11 (term-1) Physics paper and other competitive examinations.

## Gravitation class 11 MCQ

### Gravitation (class 11) MCQ – Set 1

1. Which of the following is always positive?

(a) Potential energy of an object

(b) Total energy of a satellite

(c) Kinetic energy

(d) None of these

(c) Kinetic energy

2. The distance of Neptune and Saturn from the sun is nearly 1013 and 1012 meters respectively. Assuming that they move

in circular orbits, their periodic times will be in the ratio

(a) 10

(b) 100

(c) 10 √10

(d) 1000

(c) 10 √10

3. A person sitting in a chair in a satellite feels weightless because

(a) the earth does not attract the objects in a satellite

(b) the normal force by the chair on the person balances the earth’s attraction

(c) the normal force is zero

(d) the person in the satellite is not accelerated.

(c) the normal force is zero

4. The relay satellite transmits the TV programme continuously from one part of the world to another because its

(a) period is greater than the period of rotation of the earth

(b) period is less than the period of rotation of the earth about its axis

(c) period has no relation with the period of the earth about its axis

See also  Satellite & Circular Motion & understanding of Geostationary Satellite

(d) period is equal to the period of rotation of the earth about its axis

(d) period is equal to the period of rotation of the earth about its axis

5. To an astronaut in a spaceship the sky appears black due to

(a) absence of atmosphere in his neighbourhood

(b) light from the sky is absorbed by the medium surrounding him

(c) the fact at that height, sky radiations are only in the infra-red and the ultraviolet region

(d) None of these

(a) absence of atmosphere in his neighbourhood

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