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Water In The Atmosphere
Question
What is precipitation? What conditions determine the form of precipitation?
Solution
Precipitation is a process by which condensed water vapours in the atmosphere fall to the earth in the form of rain, snow, hail, or sleet. Hence rainfall, snowfall, hail-stones and sleet are the various forms of the precipitation.
Necessary conditions for the precipitation : There are three necessary conditions for the precipitation. They are :
(i) There should be evaporation, so that the relative humidity is high in the air.
(ii) There should be adiabatic cooling of the moist air.
(iii) There should be dust particles in the air.
Some More Questions From Water In The Atmosphere Chapter
Write the various types of clouds.
What are the different types of fog?
Define dew and mention the ideal conditions for its formation.
The process by which water is transformed from liquid to gaseous state.
The amount of water vapour actually present in per unit volume of air.
The amount of water vapour actually present in per unit weight of air.
What is relative humidity?
The air that contains moisture to its full capacity.
The transformation of water vapour into water.
The temperature at which condensation starts.
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Mock Test Series
Mock Test Series