Question : Amount of water vapour (gaseous) in a given volume of air (cubic metre) is know as:
Option 1: mixing ratio
Option 2: relative humidity
Option 3: absolute humidity
Option 4: specific Humidity
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Correct Answer: absolute humidity
Solution : The correct option is absolute humidity.
Absolute humidity is defined as the quantity of water vapour (gaseous) in a given volume of air (cubic metre). It is expressed in grams of water vapour per cubic metre of air (g/m³). Absolute humidity is a measurement of the actual amount of water vapour in the air, independent of temperature. It is a critical number in meteorology and other atmospheric sciences since it affects various weather phenomena such as clouds, fog, and precipitation. Absolute humidity may be measured with various equipment such as hygrometers, psychrometers, and dew point sensors.
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