Explore topic-wise MCQs in Physics.

This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Physics knowledge and support exam preparation. Choose a topic below to get started.

1.

A geostationary satellite cannot orbit in any plane other than the equatorial plane.

A. True
B. False
Answer» B. False
Discussion
2.

Every geostationary satellite is a geosynchronous satellite.

A. True
B. False
Answer» B. False
Discussion
3.

A geosynchronous satellite always appears fixed in the sky.

A. True
B. False
Answer» C.
Discussion
4.

The PSLV rockets of India launch satellites into the high-earth orbit.

A. True
B. False
Answer» C.
Discussion
5.

What is the angular velocity of parking satellites?

A. pi/2 rad/hr
B. pi/3 rad/hr
C. pi/6 rad/hr
D. pi/12 rad/hr
Answer» E.
Discussion
6.

How much is a polar orbit s inclination with the earth s equatorial plane?

A. 0 degrees
B. 45 degrees
C. 90 degrees
D. 180 degrees
Answer» D. 180 degrees
Discussion
7.

A polar orbit is ideal for a spy satellite.

A. True
B. False
Answer» B. False
Discussion
8.

A geostationary satellite is orbiting the earth at a height of 4R above the earth s surface. The time period of another satellite at a height of 2R is _____

A. 24 x (3/5)<sup>1/2</sup> hr
B. 12 x (3/5)<sup>1/2</sup> hr
C. 6 x (3/5)<sup>1/2</sup> hr
D. 72 x (3/5)<sup>1/2</sup>1 hr
Answer» B. 12 x (3/5)<sup>1/2</sup> hr
Discussion
9.

Polar satellites are used for high-resolution imaging of the earth s surface because _____

A. they have better cameras
B. they are very high above the surface of the earth and travel slowly to gather more information
C. they are closer to the surface of the earth and can cover vast areas very quickly
D. they can be launched by most countries in the world
Answer» D. they can be launched by most countries in the world
Discussion
10.

Polar satellites are high altitude satellites.

A. True
B. False
Answer» C.
Discussion
11.

The height of the geostationary satellites above the earth s surface is approximately 36,000 km.

A. True
B. False
Answer» B. False
Discussion
12.

The radius of orbit of a geostationary satellite is given by _____ (M = Mass of the earth; R = Radius of the earth; T = Time period of the satellite)

A. [(T<sup>2</sup>*G*M)/(4*pi<sup>2</sup>)]<sup>3/2</sup>
B. [(T<sup>2</sup>*G*M)/(4*pi<sup>2</sup>)]<sup>2/3</sup> R
C. [(T<sup>2</sup>*G*M)/(4*pi<sup>2</sup>)]<sup>1/3</sup> R
D. [(T<sup>2</sup>*G*M)/(4*pi<sup>2</sup>)]<sup>1/3</sup>
Answer» E.
Discussion
13.

A geostationary satellite seems to be fixed in the sky because it does not orbit the earth.

A. True
B. False
Answer» C.
Discussion
14.

Most waves used for communication purposes rely on geostationary satellites because _____

A. they cannot transmit data at long distances due to curvature of the earth
B. they are reflected by the atmosphere
C. they are very cheap
D. it does not occupy space on the earth s surface
Answer» B. they are reflected by the atmosphere
Discussion
15.

CARTOSAT is a group of geostationary satellites sent up by India.

A. True
B. False
Answer» C.
Discussion