Advertisements
Advertisements
प्रश्न
Give reason:
Air pressure decreases with increasing altitude.
Advertisements
उत्तर
- The proportion of dust in the air, water vapour, heavy gases, etc. is higher in the air closer to the surface of the earth.
- This proportion decreases with increasing altitude. As its effect, the air becomes thinner. This, in turn, results in a fall in air pressure. In this way, air pressure decreases with increasing altitude.
संबंधित प्रश्न
Suggest two methods to find out wind direction at a given place.
Give reasons for the following:
Two holes are made in a sealed oil tin to take out oil from it.
Write the numerical value of the atmospheric pressure on the surface of earth in pascal.
A partially inflated balloon is placed inside a bell jar connected to a vacuum pump. On creating vacuum inside the bell jar, balloon gets more inflated. How does the pressure change: increase, decrease or remains same, inside the (a) bell jar, (b) balloon?
Give two reasons for use of mercury as a barometric liquid.
The atmospheric pressure at earth's surface is P1 and inside mine is P2. They are related as :
State two factors which affect the atmospheric pressure as we go up.
The atmosphere is a layer of gases surrounding the planet.
The standard air pressure at sea level is ______.
The small variations in pressure that exist largely determine the ______ and ______ patterns of the earth.
