Solved UPSC CDS/OTA Question
A solved UPSC CDS/OTA PYQ — decoded step-by-step.
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Q · Units and DimensionsMedium · 45s
Which of the following physical quantities has different dimensions from the other three?
TopicUnits and Dimensions
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.
Angular momentum = Iω ⇒ ML²T⁻¹; Energy, Work, Torque = ML²T⁻².
Final Answer: Option C — Angular Momentum