What is the name of the phenomenon where there is a small, rotating column of air over land, not associated with a thunderstorm? MCQ with Answer and Explanation
What is the name of the phenomenon where there is a small, rotating column of air over land, not associated with a thunderstorm?
A. Fire whirl
B. Dust devil
C. Tornado
D. Waterspout
Answer: Option B
Solution (By JKSSB Mock Tests)
A dust devil is a small, rotating column of air that forms on hot, dry days over land, caused by intense surface heating and not associated with thunderstorms.
Explanation:
Orographic rainfall occurs when moist air is forced to rise over a mountain barrier, cooling and condensing to form clouds and precipitation on the windward side.
Explanation:
A Hadley cell is a large-scale atmospheric circulation pattern where warm air rises at the equator, flows poleward at high altitudes, and sinks at the subtropics, forming the trade winds.
Explanation:
The greenhouse effect is the natural process by which certain gases in the atmosphere (greenhouse gases) trap outgoing longwave radiation, warming the Earth's surface and making it habitable.
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