Question

Differentiate between Relative humidity and Absolute humidity.

Answer 1

S.No	Relative Humidity	Absolute Humidity
1	It is expressed as the percentage of water vapour present in the air to the vapour holding capacity of the atmosphere at the same temperature and volume.	It is the measure of water vapour in 1 cu.m. of air.
2	It is affected by the geographic location and temperature of a particular region.	It is influenced by the land and water distribution on Earth as well as seasonal changes.
3	Relative humidity is expressed in percentage.	Absolute humidity is expressed in grams or kilograms per cubic meter.
4	It is subject to change with a change in the amount of water vapour.	It remains relatively constant. It contains an absolute measure of moisture in the air.