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प्रश्न
Name the physical quantity which is expressed in the unit 'atm'. State its value in pascal.
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उत्तर
At normal temperature and pressure, the barometric height is 0.76 m of Hg at sea level which is taken as one atmosphere.
1 atmosphere = 0.76 m of Hg = 1.013 x 105 pascal
संबंधित प्रश्न
We do not feel uneasy even under the enormous atmospheric pressure. Give a reason.
Illustrate with the help of a labelled diagram of a simple barometer that the atmospheric pressure at a place is 76 cm of Hg.
Why is the barometric height used as unit to express the atmospheric pressure?
State two advantages of an aneroid barometer.
If there is low pressure at the equator, what will be the condition of air pressure in the Arctic Zone?
What effect does temperature have on air pressure?
One atmosphere is equivalent to 1,00,000 newton force acting on one square metre.
Define one atmosphere.
Humans are sensitive even to a small variations in pressure.
