JEE Main 2026 — Oscillations Question with Solution
JEE Main 2026 (23 January Shift 1)
Question
Two blocks with masses 100 g and 200 g are attached to the ends of springs and as shown in figure. The energy stored in is . The energy stored in , when spring constants of and , respectively satisfy the relation , is :
Choose an option
Show full solutionCorrect option: C
Correct answer
C3E
Step-by-step explanation
For blocks hanging in equilibrium, spring extensions are:
and .
Energy stored:
and .
Taking ratio: .
Given , we have .
Therefore: .
and .
Energy stored:
and .
Taking ratio: .
Given , we have .
Therefore: .
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This is a previous-year question from JEE Main 2026, 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.