| 1 |
If the object is at 5 cm from the lens of simple microscope than its magnifying power will be. |
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| 2 |
The study of fluid dynamics is |
- A. Easy
- B. Complicated
- C. Impossible
- D. None of these
|
| 3 |
Velocity of sound is independent of |
- A. Temperature
- B. Density
- C. Pressure
- D. Medium
|
| 4 |
The SI units of flow rate are. |
- A. m2s-1
- B. m3s-2
- C. m3s-1
- D. m2s-2
|
| 5 |
The angle of projection for which its maximum height and horizontal range are equal |
- A. 46 <sup>o</sup>
- B. 56<sup>o</sup>
- C. 66<sup>o</sup>
- D. 76<sup>o</sup>
|
| 6 |
The action and reaction never act on |
- A. Same body
- B. Two bodies
- C. many bodies
- D. All of these
|
| 7 |
Horizontal range is maximum when the angle of projectile is. |
- A. 0 o
- B. 30 o
- C. 45 o
- D. 60 o
|
| 8 |
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
|
| 9 |
A layer over the central core of the jacke is called. |
- A. Jacket
- B. Plastic
- C. Cladding
- D. Rubber
|
| 10 |
Close orbiting satellites orbit the earth at a height of about |
- A. 400 km
- B. 4000 km
- C. 400 m
- D. 400 cm
|