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 · OscillationMedium · 45s
A simple pendulum’s length is quadrupled. Its time period will:
TopicOscillation
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.
T∝lT∝l. If length becomes 4l, T=2T₀T=2T₀.
Final Answer: Option B — Double