Advertisements
Advertisements
प्रश्न
What do you understand by atmospheric pressure?
उत्तर
The thrust exerted per unit area of the earth surface due to column of air, is called the atmospheric pressure on the earth surface.
APPEARS IN
संबंधित प्रश्न
Give reason for the following:
A balloon collapses when air is removed from it.
How does the pressure at a certain depth in sea water differ from that at the same depth in river water? Explain your answer.
Explain the following :
A balloon collapses when air is removed from it.
Explain the following :
Two holes are made in a completely filled sealed tin can to take out oil from it .
Illustrate with the help of a labelled diagram of a simple barometer that the atmospheric pressure at a place is 76 cm of Hg.
State two uses of a barometer.
State two advantages of an aneroid barometer.
How is the reading of a barometer affected when it is taken to: A hill
Give reason:
Air pressure decreases with increasing altitude.
A low-pressure system is also called ______ and ______.
