Solved UPSC CDS/OTA Question
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Q · GravitationMedium · 45s
The radius of Earth is approximately:
TopicGravitation
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
The complete worked solution.
Every step explained - no skipped algebra.
Earth’s mean radius is ~ 6371 km.
Final Answer: Option B - 6371 km