JEE Main 2019 — Waves and Sound Question with Solution
JEE Main 2019 (09 Apr Shift 1)
Question
A string is clamped at both the ends and it is vibrating in its harmonic. The equation of the stationary wave is . The length of the string is
(All quantities are in units.)
(All quantities are in units.)
Choose an option
Show full solutionCorrect option: D
Correct answer
D
Step-by-step explanation
From the equation,
But, length of the wire in harmonic, .
But, length of the wire in harmonic, .
Practice this on the real CBT interface
Solve this JEE Main question (and the rest of the Waves and Sound chapter) on PrepSharp's TCS iON-style CBT player — with timer, bookmarks and session analytics.
Solve interactively →About this question
This is a previous-year question from JEE Main 2019, 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.