Solved UPSC CDS/OTA Question
A solved UPSC CDS/OTA PYQ — decoded step-by-step.
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Q · GravitationMedium · 45s
Which among the following is Kepler’s Third Law?
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.
Kepler’s Third Law: T² ∝ R³.
Final Answer: Option C — Square of time period ∝ cube of semi-major axis.