| 1 |
A communication satellite is used ot reflect the signal of. |
- A. Microwaves
- B. Radio waves
- C. y rays
- D. x -rays
|
| 2 |
The SI unit of angular momentum is |
- A. J.S-2
- B. J.S-1
- C. J.S
- D. J.m
|
| 3 |
Angular displacement is |
- A. Scalar quantity
- B. Vector quantity
- C. Basic quantity
- D. None of these
|
| 4 |
Centripetal force perform |
- A. Maximum work
- B. Minimum work
- C. Negative work
- D. No work
|
| 5 |
When a particle is moving along a circular path its projection along the diameter executes |
- A. Linear motion
- B. Vibratory motion
- C. Rotatory motion
- D. SHM
|
| 6 |
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
|
| 7 |
Angular velocity determines, How fast or, How slow a body is |
- A. Accelerating
- B. Vibrating
- C. Rotating
- D. Oscillating
|
| 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 |
The formula of centripetal acceleration is |
|
| 10 |
The relation between the speed and hoop can be written as |
|
