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
Fill the missing word in the blank spaces in the following statements:
Air moves from a region of __________ pressure to a region of ________ pressure.
We do not feel uneasy even under enormous pressure of the atmosphere above as well as around us. Give a reason.
Explain the following :
Two holes are made in a completely filled sealed tin can to take out oil from it .
How will you show that there is vacuum above the surface of mercury in a barometer? What name is given to this vacuum?
What do the following indicate in a barometer regarding weather : sudden fall in the mercury level
The normal atmospheric pressure is :
Select the correct option.
As we move upwards, the atmospheric pressure
State two factors which affect the atmospheric pressure as we go up.
Draw a simple diagram of a Fortin's barometer and state how it is used to measure the atmospheric pressure.
The value of the atmospheric pressure at sea level is
