JEE Main 2002 — Oscillations Question with Solution
JEE Main 2002
Question
A child swinging on a swing in sitting position, stands up, then the time period of the swing will
Choose an option
Show full solutionCorrect option: B
Correct answer
Bdecrease
Step-by-step explanation
$\mathrm{T}=2 \pi \sqrt{\mathrm{l}_{\mathrm{eff}} / 8} ;
\mathrm{l}_{\mathrm{eff}}$ decreases when the child stands up.
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This is a previous-year question from JEE Main 2002, covering the Oscillations chapter of Physics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.