JEE Main 2026 — Waves and Sound Question with Solution
JEE Main 2026 (21 January Shift 1)
Question
Two strings having linear densities and, and lengths and respectively are joined. Free ends of and are tied to two rigid supports and , respectively creating a tension of 500 N in the wire. Two identical pulses, sent from and ends, take time and , respectively, to reach the joint. The ratio is :
Choose an option
Show full solutionCorrect option: D
Correct answer
D1.18
Step-by-step explanation
Wave velocity in string:
Time to reach joint:
and
Time to reach joint:
and
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This is a previous-year question from JEE Main 2026, covering the Waves and Sound 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.