Solved UPSC CDS/OTA Question
A solved UPSC CDS/OTA PYQ — decoded step-by-step.
Solve it the standard way once — then learn the shortcut.
Q · GravitationMedium · 45s
A satellite orbiting close to Earth has orbital velocity:
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.
v = √(GM/R) ⇒ orbital speed depends on Earth’s mass.
Final Answer: Option C — Directly proportional to the square root of Earth’s mass