JEE Main 2022PhysicsWaves and SoundEasyNumerical

JEE Main 2022Waves and Sound Question with Solution

JEE Main 2022 (25 Jun Shift 1)

Question

The first overtone frequency of an open organ pipe is equal to the fundamental frequency of a closed organ pipe. If the length of the closed organ pipe is 20 cm. The length of the open organ pipe is _____ cm

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Show full solutionCorrect answer: 80
Correct answer
80

Step-by-step explanation

The fundamental frequency of the closed organ pipe is given by, f0=v4lc.

The frequency of the first overtone of a open organ pipe is given by, f1=2×v2lo.

Since,

f0=f1v4lc=vlolo=4×20=80 cm.

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About this question

This is a previous-year question from JEE Main 2022, 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.