Question

On what factors do the rate of evaporation depend

Answer 1

Answer:

FACTORS AFFECTING EVAPORATION

The rate of evaporation increases with–

• An increase of surface area:

We know that evaporation is a surface phenomenon. If the surface area is increased,

the rate of evaporation increases. For example, while putting clothes for drying up

we spread them out.

• An increase of temperature:

With the increase of temperature, more number of particles get enough kinetic

energy to go into the vapour state.

• A decrease in humidity:

Humidity is the amount of water vapour present in air. The air around us cannot hold

more than a definite amount of water vapour at a given temperature. If the amount

of water in air is already high, the rate of evaporation decreases.

• An increase in wind speed:

It is a common observation that clothes dry faster on a windy day. With the increase

in wind speed, the particles of water vapour move away with the wind, decreasing

the amount of water vapour in the surrounding.

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