| 1 |
Where there is no air the atmospheric pressure is: |
- A. Zero
- B. 101300 Pa
- C. 7 nm Hg
- D. 1000 Nm<sup>-2</sup>
|
| 2 |
Plasma is a gas which consists of: |
- A. Negative ions
- B. Positive ions
- C. Neutral ions
- D. All of htese
|
| 3 |
Plasma exist in _______________ |
- A. Earth
- B. Satellite
- C. Moon
- D. Sun
|
| 4 |
If force will be applied on smaller area, pressure will become: |
- A. Much less
- B. Zero
- C. More
- D. Less
|
| 5 |
The type of hydrometer which is used to measure the concentration of acid in a battery is called: |
- A. Chemical meter
- B. Acid meter
- C. Barometer
- D. pH meter
|
| 6 |
The unit of strain is: |
- A. Nm<sup>-2</sup>
- B. Pa
- C. Newton
- D. None
|
| 7 |
SI unit of pressure is pascal, which is equal to |
- A. 104 Nm-2
- B. 1 Nm-2
- C. 102 Nm-2
- D. 103 Nm-2
|
| 8 |
What should be approximate length of a glass tube to construct of water barometer? |
- A. 0.5 m
- B. 1 m
- C. 2.5 m
- D. 11 m
|
| 9 |
The force exerted perpendicularly on unit of area of an object is called:& nbsp |
- A. strain
- B. young's modulus
- C. pressure
- D. buoyant force
|
| 10 |
In which of the following state molecules do not leave their position: |
- A. Solid
- B. Liquid
- C. Gas
- D. Plasma
|
