Air forms a gaseous envelope that surrounds the Earth, known as the atmospheric envelope or atmospheric air. The atmospheric envelope of the Earth is a gaseous envelope surrounding the Earth that rotates with it...
Particles of any material are moving in a continuous random motion, this type of motion differs according to the state of matter, So, we find that Solid molecules move in vibrational motion only, Liquid...
The aqueous manometer is preferred to the mercuric one to measure small pressure differences because the density of water is small compared to that of mercury, So, the difference in water levels in the...
Atmospheric pressure is the weight of a column of air above the Earth’s surface per unit, As we go up, the height of this column decreases, so, does the pressure, At the eardrum, the...
