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 · Circular MotionMedium · 45s
A particle completes 5 revolutions in 2 seconds. What is its angular speed?
TopicCircular Motion
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.
1 revolution = 2π rad ⇒ 5 revolutions = 10π rad; so, ω = 10π/2 = 5π rad/s.
Final Answer: Option B — 10π10π rad/s