The ratio of partial pressure of water vapour in a mixture to the saturation pressure of water at the same temperature of the mixture is called as _________.
A
humidity
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B
partial humidity
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C
specific humidity
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D
relative humidity
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Solution
The correct option is A relative humidity
The ratio of the mass of water vapour actually present in certain volume of air (m) to the mass of water vapour (M) required to saturate the same volume of air at the same temperature is called relative humidity (R.H)