| 1 |
Magnetic force is an example of : |
- A. Action at a distance
- B. Force
- C. Torque
- D. Nil
|
| 2 |
The force with which earth attracts a body towards its center is equal to its |
- A. Mass
- B. Weight
- C. Charge
- D. Radius
|
| 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. 2 g
- B. 1/2 g
- C. 1/3 g
- D. 1/4 g
|
| 5 |
Moon complete it's one revolution around earth is days: |
- A. 22
- B. 23
- C. 27.3
- D. 25
|
| 6 |
The weight of a body is 100 N its weight in deep space is : |
- A. 100 N
- B. 50 N
- C. 25 N
- D. 0 N
|
| 7 |
Value of 'g' on surface of moon is: |
- A. 1.62 ms<sup>-2</sup>
- B. 3.7 ms<sup>-2</sup>
- C. 9.2 ms<sup>-2</sup>
- D. 10 ms<sup>-2</sup>
|
| 8 |
At the surface of Earth, the acceleration due to gravity 'g' is measured by using the formula |
- A. g = GMe/R
- B. GMe/R2
- C. g = 2GMe/R2
- D. g = GMe/2R
|
| 9 |
The value of 'g' is greater at: |
- A. Moon
- B. Hills
- C. Sea leavel
- D. Desert
|
| 10 |
Anything that rotates around a planet is called: |
- A. Star
- B. Sun
- C. Moon
- D. Satellite
|
