Question

Differentiate between: Absolute humidity and relative humidity.

Answer 1

Absolute Humidity	Relative Humidity
The vapour content in the air is measured using a physical quantity called absolute humidity.	The ratio of actual mass of vapour content in the air for a given volume and temperature to that required to make the air saturated with vapour at that temperature is called relative humidity.
It is measured in kg/m3.	It has no unit.