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प्रश्न
What will be the effect on air pressure if the temperature drops? Why?
उत्तर
As the temperature falls, the density of air increases and so the air pressure rises.
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संबंधित प्रश्न
State two experiences that made you think that air exerts pressure.
Name the physical quantity which is expressed in the unit 'atm'. State its value in pascal.
Why is the barometric height used as unit to express the atmospheric pressure?
Draw a simple labelled diagram of a Fortin barometer and state how it is used to measure the atmospheric pressure.
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.
Give reasons for the following:
Temperature and pressure are inversely related to one another.
Distinguish between the following:
Isobars and Isotherms
Give reasons:
Why artificial pressure creates in Aircraft?
______ is used to show the distribution of air pressure.
What does low pressure and high pressure lead to?
