MCQOPTIONS
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MCQOPTIONS
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 | |
| 2. |
Every geostationary satellite is a geosynchronous satellite. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
A geosynchronous satellite always appears fixed in the sky. |
| A. | True |
| B. | False |
| Answer» C. | |
| 4. |
The PSLV rockets of India launch satellites into the high-earth orbit. |
| A. | True |
| B. | False |
| Answer» C. | |
| 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. | |
| 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 | |
| 7. |
A polar orbit is ideal for a spy satellite. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 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 | |
| 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 | |
| 10. |
Polar satellites are high altitude satellites. |
| A. | True |
| B. | False |
| Answer» C. | |
| 11. |
The height of the geostationary satellites above the earth s surface is approximately 36,000 km. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 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. | |
| 13. |
A geostationary satellite seems to be fixed in the sky because it does not orbit the earth. |
| A. | True |
| B. | False |
| Answer» C. | |
| 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 | |
| 15. |
CARTOSAT is a group of geostationary satellites sent up by India. |
| A. | True |
| B. | False |
| Answer» C. | |