| 1 |
If the initial velocity of a projectile becomes doubled, the time of fight will be. |
- A. Same
- B. 4 times
- C. Double
- D. 3 times
|
| 2 |
A frame of reference stationed at the earth is an |
- A. Inertial frame
- B. None internal frame
- C. Accelerated frame
- D. Laboratory frame
|
| 3 |
Unit of acceleration is |
- A. ms-1
- B. ms
- C. ms-2
- D. m2s
|
| 4 |
The shape of trajectory of short range projectile is |
- A. Straight line
- B. Circle
- C. Elliptical
- D. Parabolic
|
| 5 |
The slope of velocity time graph shows |
- A. Total distance covered
- B. Average acceleration
- C. Instantaneous acceleration
- D. Torque
|
| 6 |
The horizontal range of a projectile of 30<sup>o</sup>with horizontal is same at an angle. |
- A. 40<sup>o</sup>
- B. 45<sup>o</sup>
- C. 90<sup>o</sup>
- D. 60<sup>o</sup>
|
| 7 |
The dimensional unit of impulse is. |
- A. [MLT]
- B. [MLT-1]
- C. [ML-1T-1]
- D. [M-1L-1T-1]
|
| 8 |
An athlete runs with a speed of 12 ms-1. Determine the longest jump he can undertake. |
- A. 12 m
- B. 14.4 m
- C. 24 m
- D. 16.2 m
|
| 9 |
When the body moves with constant acceleration the velocity time graph is |
- A. Parabola
- B. Hyperbola
- C. Straight line
- D. Curve
|
| 10 |
Before the launch of a rocket the mass of fuel of the rocket is approximately consists of. |
- A. 60%
- B. 50%
- C. 80%
- D. 100%
|