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प्रश्न
What do you mean by atmospheric pressure?
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उत्तर
ATMOSPHERIC PRESSURE: “The thrust due to atmospheric air on unit area” is called ATMOSPHERIC PRESSURE.
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संबंधित प्रश्न
Write the numerical value of the atmospheric pressure on the earth surface in pascal.
Give reason for the following:
A balloon collapses when air is removed from it.
We do not feel uneasy even under enormous pressure of the atmosphere above as well as around us. Give a reason.
The unit torr is related to the barometric height as :
At sea level, the atmospheric pressure is 76 cm of Hg. If air pressure falls by 10 mm of Hg per 120m of ascent, what is the height of a hill where the barometer reads 70 cm Hg. State the assumption made by you.
State two factors which affect the atmospheric pressure as we go up.
What is the purpose of a barometer? State two major defects of a simple barometer.
Draw a simple diagram of a Fortin's barometer and state how it is used to measure the atmospheric pressure.
At higher altitudes, air becomes ______
______ is used to show the distribution of air pressure.
