C:\UPSC\GS1\2026\Q-4.txt
GeographyEXAMINEYear 202610 Marks
Concept / Statute•Directive•Institution / Stakeholder
What is the Fujiwhara effect? Explain its impact on the movement and intensity of tropical cyclones.
Exact Syllabus Pointer
Physical geography, distribution of key natural resources, factors for industrial location, geophysical phenomena (earthquakes, cyclones, volcanoes).
Connected Questions Across All Papers
Discovered through overlapping concepts: Fujiwhara Effect, Tropical Cyclones, Binary Cyclone Interaction
Recurring Theme Trend: “Fujiwhara Effect”
8 questions across 14 yrsFrequency of UPSC CSE Mains questions testing this core concept, landmark doctrine, or foundational syllabus theme (2013-2026)
20133
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20181
20190
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20262