| 1 |
A communication satellite is used ot reflect the signal of. |
- A. Microwaves
- B. Radio waves
- C. y rays
- D. x -rays
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| 2 |
A man weight 1000 N in a stationary lift. If the lift moves up with an acceleration of 10 ms-2. then its weight becomes. |
- A. 1000 N
- B. 2000 N
- C. 3000 N
- D. 0 N
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| 3 |
How many orbiting satellites from the Global positing system. |
|
| 4 |
The amount of inertia of 10 kg hoop about the axis of rotation perpendicular to its plane having radius 5 m is |
- A. 50 kgm2
- B. 100 K gm2
- C. 150 K gm2
- D. 250 K gm2
|
| 5 |
The moment of inertia is analogue to |
- A. Mass
- B. Weight
- C. Torque
- D. Force
|
| 6 |
Pi radian is equal to. |
- A. 0<sup>o</sup>
- B. 90<sup>o</sup>
- C. 180<sup>o</sup>
- D. 57.3<sup>o</sup>
|
| 7 |
Moment of inertia is measure din |
- A. Kg m2
- B. Kg m-2
- C. Rad s-1
- D. Joule second
|
| 8 |
One revolution is equal to. |
- A. 90<sup>o</sup>
- B. 180<sup>o</sup>
- C. 360<sup>o</sup>
- D. 270<sup>o</sup>
|
| 9 |
For angular momentum of system to remain constant, external torque should be. |
- A. Small
- B. Large
- C. Zero
- D. None
|
| 10 |
One radian is equal to. |
- A. 75.3<sup>o</sup>
- B. 57.3<sup>o</sup>
- C. 35.7<sup>o</sup>
- D. 73.3<sup>o</sup>
|