Question

define relative humidity. on what basis and how will you determine wether air is saturated with vapour or not?
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Answer 1

Explanation:

If the amount of water vapour is less than the limit of the amount that air can contain then it is called unsaturated. We can determine whether the air is saturated with vapour or not in terms of relative humidity. If the relative humidity is 100%, the air will be saturated otherwise not.

Answer 2

the amount of water vapors present in air expressed as a percentage of the amount needed for saturation at the same temperature.

1. Humidity is the amount of water vapor in the atmosphere while relative humidity is one type of humidity.

2. Humidity is the water content of the mixture of water vapor and other elements found in the air while relative humidity is the percentage of water vapor in the air at a given temperature.

3.When a volume of air at a given temperature holds the maximum amount of water vapour, the air is said to be saturated. 4.Relative humidity is the water-vapour content of the air relative to its content at saturation.

5.When air is saturated, the relative humidity will be 100 percent that is now no more water or moisture can be added to that air keeping the temperature constant.