| 1 |
The centripetal force is always directed |
- A. Away from the centre along the radius
- B. Along the direction of motion
- C. Opposite to the motion of the body
- D. Towards the centre along the radius
|
| 2 |
Angular acceleration is produced by |
- A. Power
- B. Torque
- C. Pressure
- D. Force
|
| 3 |
In rotational motion the torque is equal to rate of change of |
- A. Angular velocity
- B. Linear momentum
- C. Angular momentum
- D. Angular acceleration
|
| 4 |
When a body is moving along a circular path, then such a motion is called |
- A. Vibratory motion
- B. Rotatory motion
- C. Linear motion
- D. None of these
|
| 5 |
the height of the geostationary satellite above the equator is. |
- A. 35000 km
- B. 36000 km
- C. 34000 km
- D. 33000 km
|
| 6 |
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
|
| 7 |
Which quantity of the following is dimensionless. |
- A. Angular velocity
- B. Centripetal force
- C. Angular acceleration
- D. Angular displacement
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| 8 |
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
|
| 9 |
Angular displacement is |
- A. Scalar quantity
- B. Vector quantity
- C. Basic quantity
- D. None of these
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| 10 |
The value of of 'g' at the centre of the earth is |
- A. Infinite
- B. 2 g
- C. 3 g
- D. zero
|