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Which is the correct sequence for higher rainfall on the windward side in orographic rainfall?

Answer and explanation

Correct answer: Moist air rises, cools, condenses and gives rain

Answer: A. Orographic rainfall occurs when moist air is forced to rise over a mountain barrier. As the air rises, pressure decreases and the air expands and cools. Cooling lowers the air temperature toward saturation, so water vapour condenses on tiny particles and clouds form. Continued uplift can produce droplets large enough to fall as rain, especially on the windward slope facing the incoming moist wind. B describes descending, warming air, which is more typical of the leeward drying effect and does not produce the main uplift rainfall sequence. C is wrong because drying does not normally initiate cloud formation. D is physically impossible. Memory cue: windward sequence is rise → cool → condense → rain.

Related tags

Orographic RainfallWindward SlopeCondensationRelief RainfallClouds And PrecipitationWater In The AtmosphereGeographyClass 12 Mcq

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