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Which statement shows that absolute humidity and relative humidity are not the same?

Answer and explanation

Correct answer: One is the actual amount of vapour and the other is a percentage of capacity

Direct answer: A. Absolute humidity means the actual mass of water vapour in a given volume of air, whereas relative humidity compares the vapour present with the maximum amount the air could hold at that temperature, expressed as a percentage. Thus the two quantities answer different questions: “How much vapour is present?” and “How full is the air’s moisture capacity?” A is correct. B is wrong because their numerical values and meanings need not match. C is wrong because neither definition is rainfall height. D is wrong because neither measures cloud colour. A useful warning is that relative humidity changes when temperature changes, even if the actual vapour amount stays the same.

Related tags

GeographyAbsolute HumidityRelative HumidityMoistureHumidityEvaporationAnd CondensationHumidity Evaporation And CondensationWater In The AtmosphereClass 12 Mcq

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