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प्रश्न
Give reasons for the following:
As we go higher, the atmospheric pressure decreases.
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उत्तर
As the air becomes thinner with increasing height, so, the air pressure also decreased. The rate of decrease is 100 millibars per 1000 meters of height gained. So mountain hikers take an oxygen cylinder with them to compensate the air inhaled.
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संबंधित प्रश्न
State two experiences that made you think that air exerts pressure.
What do you mean by atmospheric pressure?
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 how is the height of mercury column in tube of a simple barometer, a measure of the atmospheric pressure.
Mention two demerits of a simple barometer and state how they are removed in a Fortin barometer .
Briefly state the variations in the vertical distribution of pressure.
Select the correct option.
The atmospheric pressure on the earth’s surface is approximately
If there is low pressure at the equator, what will be the condition of air pressure in the Arctic Zone?
Define one atmosphere.
High pressure is called ______.
