JEE Main 2020 — Waves and Sound Question with Solution
JEE Main 2020 (08 Jan Shift 1)
Question
A one metre long (both ends open) organ pipe is kept in a gas that has double the density of air at STP. Assuming the speed of sound in air at STP is the frequency difference between the fundamental and second harmonic of this pipe is __________ Hz.
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Show full solutionCorrect answer: 106
Correct answer
106
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This is a previous-year question from JEE Main 2020, 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.