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Water In The Atmosphere
Question
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 What is a dew point ? How is it related to the amount of moisture ?

Answer

Dew point is that state of temperature at which the moist air begins to condense.
It is closely related to the amount of moisture because, the rate of condensation depends upon the amount of relative humidity. If the relative humidity is higher, the condensation needs a slight amount of cooling. On the other hand, when the relative humidity is low, condensation needs a greater amount of cooling.

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Some More Questions From Water In The Atmosphere Chapter

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.

Falling of frozen raindrops and re frozen melted snow on the earth’s surface.

State the common basis of classifying the clouds into three main groups.

State the characteristics of the zonal distribution of relative humidity.