Question

$\huge\bold{Question:-}$

Explain the phenomenon " evaporation " and factors affecting it.

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Answer 1

$\huge\bold{</em></strong><strong><em>ANSwer</em></strong><strong><em>:-}$

Surface area: As the surface area increases, the rate of evaporation increases. The surface area and rate of evaporation are proportional to each other. Humidity: The rate of evaporation decreases with an increase in humidity. Wind speed: Increase in wind speed results in increased evaporation.

Explanation:

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Answer 2

$\huge\bold{Answer:-}$

Evaporation :-

The phenomena of changing liquid state into gaseous state at any temperature below its boiling point is called as evaporation. It is a surface phenomena.

Factors affecting Evaporation -

a ) Surface area.

b ) Temperature.

c ) Humidity.

d ) Wind speed.

● Surface area :- Increase in surface area , increases evaporation. eg :- Tea in saucer gets evaporated faster than tea in a cup.

● Temperature :- Increase in temperature, increase in rate of evaporation. eg :- Water will evaporate faster in sun than in shade.

● Humidity :- Decrease in humidity, increases evaporation. eg :- on hot humid day, desert coolers are not effective as the air cannot hold anymore moisture to get the cooling effect.

● Wind speed :- An increase in wind speed, increases the rate of evaporation. eg :- The particles of water move away with the wind, decreasing the amount of water vapour in surroundings.