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Water In The Atmosphere

Question

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Define dew and mention the ideal conditions for its formation.

Solution

When the moisture is deposited in the form of water droplets on cooler surfaces of solid objects such as stones, grass blades and plant leaves, it is known as dew.
The ideal conditions for its formation are clear sky, calm air, high relative humidity, and cold and long nights. For the formation of dew, it is necessary that the dew point is above the freezing point.

Some More Questions From Water In The Atmosphere Chapter

What is meant by humidity ?

What factors control the evaporation ?

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.

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