Question

The rate of evaporation decreases with
a) Increase in surface area c) Increase in temperature
b) Increase in humidity d) Increase in wind speed

Answer 1

Answer:

b) Increase in humidity

because when there is more amount if water present in the air the rate of evaporation goes slower

Explanation:

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Answer 2

Answer:

The rate of evaporation decrease with increase in humidity.

Therefore, the option (b) is correct.

Explanation:-

• The evaporation is process of conversion of liquid into vapors. The rate of evaporation depends upon many factors.
• The amount of water present in the air or the capacity of air to hold water vapor is called humidity.
• Now, if the humidity is high. By evaporation, the addition of more water in the air. There is  already enough water in air cause decrease the rate of evaporation.
• If the surface area will be large, more number of molecules can escape from the surface and increase the rate of evaporation.
• If we increase the temperature, then definitely the process of evaporation will be faster.
• Rate of evaporation will increase with increase in wind speed. Because the high the speed of wind, the vapors drift away with wind.