Air pressure is also known as atmospheric pressure. How is it caused?
A
By the heat energy in the air
B
By the wind that blows in the air
C
By water vapour in the air
D
By the air around us that presses on the surfaces of objects
Medium
Open in App
Updated on : 2022-09-05
Solution
Verified by Toppr
Correct option is D)
The pressure exerted by air around us is known as atmospheric pressure.
If we imagine a unit area and a very long cylinder standing on it filled with air, then the weight of the air in this cylinder is the atmospheric pressure.