| 1 |
The orbital angular momentum is associated with the motion of a body along |
- A. Straight path
- B. Circular path
- C. Curved path
- D. Along any path
|
| 2 |
If a rocket is accelerating upward with an acceleration of 2 g, an astronaut of weight, mg in the rocket shows apparent weight. |
- A. Zero
- B. Mg
- C. 2 mg
- D. 3 mg
|
| 3 |
International Telecommunication satellite |
- A. 4,6,8 and 10 Hz
- B. 4,6,11 and 14 GHz
- C. 4,6,8 and 12 Hz
- D. 4,8,11 and 16 GHz
|
| 4 |
The motion of a body moving along a circular path is called. |
- A. Translational motion
- B. Angular motion
- C. Vibratory motion
- D. Linear motion
|
| 5 |
Centripetal force perform |
- A. Maximum work
- B. Minimum work
- C. Negative work
- D. No work
|
| 6 |
Which of the following is not directed along the fixed axis of rotation. |
- A. Angular displacement
- B. Angular momentum
- C. Centripetal acceleration
- D. Angular acceleration
|
| 7 |
The weight of an object an elevator moving down with an acceleration of 9.8 m/s2 will becomes |
- A. Half
- B. Double
- C. Unchanged
- D. Zero
|
| 8 |
Close orbiting satellites orbit the earth at a height of about |
- A. 400 km
- B. 4000 km
- C. 400 m
- D. 400 cm
|
| 9 |
2 radian = ____ |
- A. 2 m
- B. 4 m
- C. 57.3 m
- D. 114.6 m
|
| 10 |
Height of geo stationary orbit of the satellite above the earth is. |
- A. 300 km
- B. 250 km
- C. 400 km
- D. None of these
|