| 1 |
The dimensional unit of impulse is. |
- A. [MLT]
- B. [MLT-1]
- C. [ML-1T-1]
- D. [M-1L-1T-1]
|
| 2 |
The acceleration of a projectile along x axis is. |
- A. Zero
- B. Increase
- C. Decrease
- D. Equal to 'g'
|
| 3 |
The ballistic missiles are used only for |
- A. Long range
- B. Short range
- C. Medium range
- D. Constant range
|
| 4 |
A ball is thrown up vertically, it takes 3 sec to reach maximum height. Its initial velocity is. |
- A. 10 ms-1
- B. 12.2 ms-1
- C. 15 ms-1
- D. 29.4 ms-1
|
| 5 |
Food rich in proteins is: |
- A. potato
- B. grapes
- C. vegetables
- D. bread
|
| 6 |
The mass of a body is quantitative measure of its |
- A. Motion
- B. Inertia
- C. Weight
- D. All of these
|
| 7 |
Rate of change of velocity is called |
- A. Speed
- B. Acceleration
- C. Displacement
- D. Torque
|
| 8 |
when a ball is throng straight up, the acceleration at its highest point is. |
- A. Upward
- B. Down ward
- C. Zero
- D. Horizontal
|
| 9 |
The shape of trajectory of short range projectile is |
- A. Straight line
- B. Circle
- C. Elliptical
- D. Parabolic
|
| 10 |
When the car moves with an increasing acceleration then its velocity time graph is always |
- A. Constant
- B. Variable
- C. A straight line
- D. A curve
|