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प्रश्न
What is meant by atmospheric pressure?
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उत्तर
Atmospheric point at any point in the air at rest is equal to the weight of a vertical column of air on a unit area surrounding the point, the column extending to the top of the atmosphere.
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संबंधित प्रश्न
State two experiences that made you think that air exerts pressure.
How does the atmospheric pressure change with altitude?
State two uses of a barometer.
State two advantages of an aneroid barometer over a simple barometer.
At a given place, a mercury barometer records a pressure of 0.70 m of Hg. What would be the height of water column if mercury in barometer is replaced by water? Take density of mercury to be = 13.6 × 103 kg m-3.
Give reasons for the following:
The Westerlies in the Southern Hemisphere blow with greater force than those in the Northern Hemisphere.
Give reasons for the following:
As we go higher, the atmospheric pressure decreases.
What is meant by the term ‘Atmospheric Pressure’?
At higher altitudes, air becomes ______
Define one atmosphere.
