| 1 |
The height of geostationary satellites with respect to Earth is |
- A. 36,300 km
- B. 40,300 km
- C. 30,300 km
- D. 42,300 km
|
| 2 |
A satellite revolving around very close to Earth has speed nearly: |
- A. 8 kms<sup>-1</sup>
- B. 5 kms<sup>-1</sup>
- C. 10 kms<sup>-1</sup>
- D. 100 kms<sup>-1</sup>
|
| 3 |
At the surface of the earth value of 'g' is measured by using formula: |
- A. g=GMe/R
- B. g = GMe/R<sup>2</sup>
- C. g = 2GMe/R<sup>2</sup>
- D. g = GMe/2 R
|
| 4 |
The value of g at a height one Earth's radius above the surface of the earth is: |
- A. 2g
- B. 1/2 g
- C. 1/3 g
- D. 1/4 g
|
| 5 |
The gravitational force has the ________ relation with the distance between two masses: |
- A. Direct
- B. Inverse
- C. Constant
- D. None
|
| 6 |
Value of g increases with the |
- A. Increases in mass of the body
- B. Increase in altitude
- C. Decreases in altitude
- D. None of the above
|
| 7 |
The earth also completes its one revolution about its axis in. |
- A. 1 Hours
- B. 6 Hours
- C. 13 Hours
- D. 24 Hours
|
| 8 |
A body is placed at height 'h' above the surface of the Earth.The value of 'g' is given by |
- A. gh = Me/(R + h)2
- B. gh = GMe/(R +h)2
- C. gh = GMe/R2h
|
| 9 |
If the distance is doubled between two masses. The gravitational force will decrease: |
- A. 4 times
- B. 2 times
- C. One forth
- D. One third
|
| 10 |
Moon complete it's one revolution around earth is days: |
- A. 22
- B. 23
- C. 27.3
- D. 25
|
