Exams › SSC CGL (Prelims) › General

Which factor primarily causes orographic rainfall?

1. Intense surface heating
2. Air rising over mountain barriers
3. Cyclonic convergence
4. Cold polar winds

Correct answer: Air rising over mountain barriers

Solution

Orographic rainfall occurs when moist air is forced to rise over a mountain barrier. As it rises, it cools and condenses, producing rain on the windward side.

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