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If saturation vapour pressure (e_s) increases much faster than actual vapour pressure (e), what generally happens to relative humidity (RH)?

Answer and explanation

Correct answer: It will generally decrease

Correct answer: A. Relative humidity is RH = (e/e_s) × 100, where e is actual vapour pressure and e_s is saturation vapour pressure. If e_s rises proportionally much faster than e, the ratio e/e_s becomes smaller, so RH generally decreases. For example, if e rises from 10 to 11 while e_s rises from 20 to 30 in the same pressure units, RH falls from 50% to about 37%.

Related tags

Relative HumidityVapour PressureHumidityEvaporationAnd CondensationHumidity Evaporation And CondensationWater In The AtmosphereGeographyClass 12 Mcq

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