Air Exerts Pressure
Air Exerts Pressure
Air Exerts Pressure: The pressure exerted by air is called air pressure. The air in the atmosphere exerts pressure on every object and in all directions (up, down, left, right, etc.). The pressure exerted by the atmosphere depends on many factors. For example, it depends on the height of a place and also on the temperature. Generally, places at a lower temperature are at a higher pressure than places at a higher temperature. Air moves from an area of higher pressure to an area of lower pressure.
Pressure is the amount of _________________ on a unit of area. | |||
| Right Option : C | |||
| View Explanation | |||
Which of the following are correct ? (a) The pressure exerted by air is called air pressure. (b) Air moves from an area of higher pressure to an area of lower pressure. (c) Air pressure is measured by barometer. | |||
| Right Option : D | |||
| View Explanation | |||
Which of the following doesn't show that air has pressure ? | |||
| Right Option : C | |||
| View Explanation | |||
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