| 1 |
when a ball is throng straight up, the acceleration at its highest point is. |
- A. Upward
- B. Down ward
- C. Zero
- D. Horizontal
|
| 2 |
For a rocket , the change in momentum per second of the ejecting gases is equal. |
- A. Acceleration of the rocket
- B. Momentum of rocket
- C. Velocity of rocket
- D. Thrust acting on rocket
|
| 3 |
In case of point source the shape of wave front is. |
- A. Plane
- B. spherical
- C. Circular
- D. Eliptical
|
| 4 |
A man of 5000 kg moves with an acceralation of 1 ms-2 force acting on it is. |
- A. 5 N
- B. 500 N
- C. 50 N
- D. 5000 N
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| 5 |
All point of the rigid body rotating about a fixed axis do not have same. |
- A. Angular acceleration
- B. Angular speed
- C. speed
- D. Angular displacement
|
| 6 |
Turning of radio is example of. |
- A. Mechanical resonance
- B. Electrical resonance
- C. Physical resonance
- D. Biological resonance
|
| 7 |
The resultant of two vectors having magnitude 10 N and 8 N Can not be |
- A. 2 N
- B. 9 N
- C. 18 N
- D. 20 N
|
| 8 |
The potential energy to the molecules of an ideal gas is considered to be. |
- A. Maximum
- B. Zero
- C. 1/2 kx<sup>2</sup>
- D. 1/2 kx
|
| 9 |
When distance is plotted against the force, it is taken along |
- A. x-axis
- B. y-axis
- C. z-axis
- D. None of these
|
| 10 |
Dot product of vector with itself is. |
- A. Zero
- B. 2 A
- C. A<sup>2</sup>
- D. A
|