JEE Main 2013 — Waves and Sound Question with Solution
JEE Main 2013 (23 Apr Online)
Question
A sonometer wire of length is fixed at both the ends. Where should the two bridges be placed so as to divide the wire into three segments whose fundamental frequencies are in the ratio ?
Choose an option
Show full solutionCorrect option: D
Correct answer
DAt and from one end
Step-by-step explanation
Total length of the wire,
Let and be the lengths of the three parts
As
Hence the bridges should be placed at and from one end.
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This is a previous-year question from JEE Main 2013, 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.