| 1 |
The maximum velocity necessary to put a satellite into orbit is |
- A. 7.1 kms-1
- B. 7.3 kms-1
- C. 7.9 kms-1
- D. 8,9 kms-1
|
| 2 |
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>
|
| 3 |
Which one of the following force cannot do any work on the particle on which it acts. |
- A. Fractional force
- B. Gravitational force
- C. Electrostatic force
- D. Centripetal force
|
| 4 |
the angular version of F= ma is |
- A. L = 1w
- B. pi = 1a
- C. l = pi a
- D. f = mv/t
|
| 5 |
A body starting from rest attains angular acceleration of 5 rad s-2 in 2 second final angular velocity will be. |
- A. 10 rad s-1
- B. 7 rad s-1
- C. 3 rad s-1
- D. 2 rad s-1
|
| 6 |
The angle between circumference of a circle and center is |
|
| 7 |
The SI unit of angular momentum is |
- A. J.S-2
- B. J.S-1
- C. J.S
- D. J.m
|
| 8 |
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
|
| 9 |
The artificial satellites are held in orbits by |
- A. Gravitational force
- B. Electric force
- C. Magnetic force
- D. All of these
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| 10 |
INTELSAT VI satellite operates at microwave frequencies of. |
- A. 2,4,6,10 GHz
- B. 4,6,11 and 14 MHz
- C. 4,6,11 and 14 GHz
- D. 2,4,6 AND 14 GHz
|