JEE Main 2023 — Waves and Sound Question with Solution
JEE Main 2023 (12 Apr Shift 1)
Question
For a certain organ pipe, the first three resonance frequencies are in the ratio of respectively. If the frequency of fifth harmonic is and the speed of sound in air is the length of the organ pipe is _____ .
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Step-by-step explanation
It is given,
.
As the first three resonance frequencies are in the ratio of , therefore it must be a closed organ pipe.
The frequency formula in a closed organ pipe is given by . So,
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This is a previous-year question from JEE Main 2023, 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.