| 1 |
The value of a time period of allow flying satellite is |
- A. 1 year
- B. 84 minutes
- C. 28 hours
- D. 1 day
|
| 2 |
Weight of a 60 kg man in moving elevator with constant acceleration of 1/2 f |
- A. Zero
- B. 300 N
- C. 600 N
- D. 200 N
|
| 3 |
The angle between circumference of a circle and center is |
|
| 4 |
Apparent weight of a man is in upward accelerated lift will |
- A. Increases
- B. Decreases
- C. Remain same
- D. Increases then decrees
|
| 5 |
Close orbiting satellites orbit the earth at a height of about |
- A. 400 km
- B. 4000 km
- C. 400 m
- D. 400 cm
|
| 6 |
The SI unit of angular displacement is. |
- A. Degree
- B. Revolution
- C. Radian
- D. Rotation
|
| 7 |
The dimensions of angular velocity are |
- A. [LT-1]
- B. [LT-2]
- C. [T-1]
- D. [L-1T-1]
|
| 8 |
The artificial satellites are held in orbits by |
- A. Gravitational force
- B. Electric force
- C. Magnetic force
- D. All of these
|
| 9 |
The rate of change of angular velocity is called |
- A. Angular velocity
- B. Angular acceleration
- C. Angular displacement
- D. Angular speed
|
| 10 |
Moment of inertia is measure din |
- A. Kg m2
- B. Kg m-2
- C. Rad s-1
- D. Joule second
|