| 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 |
The value of 'g' is greater at: |
- A. Moon
- B. Hills
- C. Sea leavel
- D. Desert
|
| 3 |
The altitude of geostationary orbits in which communication satellites are launched above the surface of the earth is; |
- A. 850 km
- B. 1000 km
- C. 6400 km
- D. 42300 km
|
| 4 |
The value of G is _________ every where: |
- A. Same
- B. Varying
- C. Changing
- D. 1.62
|
| 5 |
The radius R of the earth is: |
- A. 6 x 10<sup>18 </sup>m
- B. 6.4 x 10<sup>6</sup>m
- C. 6.4 x 10<sup>8</sup>m
- D. 6.4 x 10<sup>12</sup>m
|
| 6 |
The value of g on moon's surface is 1.6 ms-2. What will be the weight of a 100 kg body on the surface of the moon? |
- A. 100 N
- B. 160 N
- C. 1000 N
- D. 1600 N
|
| 7 |
S.I unit of gravitational field strength is: |
- A. Nkg
- B. Nkg<sup>-1</sup>
- C. Nkg<sup>-2</sup>
- D. Nkg<sup>-3</sup>
|
| 8 |
Weight of the body is due to the : |
- A. Gravitation force
- B. Centripetal force
- C. Centrufugal force
- D. All of the above
|
| 9 |
Moon is ____ satellite. |
- A. Natural
- B. Communications
- C. Artificial
- D. Geostationary
|
| 10 |
Everybody in the universe attracts other body with a force which is |
- A. Directly proportional to the product of their masses
- B. Inversely proportional to the product of their masses
- C. Directly proportional to the distance between them
- D. Directly proportional to the square of the distance between them
|
