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Standing Waves in Organ Pipes for JEE: 24 solved questions

Real JEE paper questions on standing waves in organ pipes, part of waves. Each opens with the options, the correct answer and a step-by-step solution. Papers run from 2002 to 2026. No sign-in needed to read them.

What this topic asks

• Closed and open pipes — 16 questions
• Resonance tube and end correction — 5 questions
• Pipe with water or another gas — 3 questions

All 24 questions with solutions

• In an open organ pipe, u₃ and u₆ are the third and sixth harmonic frequencies. If u₆- u₃=220 Hz, the length o… JEE Main 22nd Jan 2nd Shift 2026
• The fifth harmonic of a closed organ pipe is in unison with the first harmonic of an open pipe. The ratio of… JEE Main 24th Jan 2nd Shift 2026
• A closed organ pipe is filled with water to 1/5 of its volume. The change in its fundamental frequency is JEE Main 4th April 1st Shift 2025
• A closed organ tube and an open organ tube are filled with two different gases of the same bulk modulus but d… JEE Main 22nd Jan 1st Shift 2025
• The fundamental frequency of a closed organ pipe equals the first overtone frequency of an open organ pipe. I… JEE Main 31st Jan 1st Shift 2024
• In a resonance tube experiment the tube is filled with water to a height of 17.0 cm from the bottom and reson… JEE Main 5th Sept 1st Shift 2020
• A closed organ pipe has a fundamental frequency of 1.5 kHz. The number of overtones that can be distinctly he… JEE Main 10th Jan 2nd Shift 2019
• A tuning fork of frequency 256 Hz gives one beat per second with the third normal mode of vibration of an ope… JEE Main Online 2018
• The end correction of a resonance column is 1 cm, and the shortest length resonating with a tuning fork is 10… JEE Main Online 2018
• A pipe open at both ends has fundamental frequency f in air. It is dipped vertically in water so that half of… JEE Main 2016, 2012
• A pipe of length 85 cm is closed at one end. The number of possible natural oscillations of the air column wh… JEE Main 2014
• A uniform tube 60.5 cm long is held vertically with its lower end dipped in water. A source of frequency 500… JEE Main Online 2012
• Tube A has both ends open while tube B has one end closed, the tubes being otherwise identical. The ratio of… JEE Main 2002
• Two open organ pipes of lengths 60 cm and 90 cm resonate at their sixth and fifth harmonics respectively. The… JEE Main 6th April 2nd Shift 2024
• A closed and an open organ pipe have the same length. If the ratio of the frequencies of their seventh overto… JEE Main 8th April 2nd Shift 2024
• A closed organ pipe has a fundamental frequency of 30 Hz. Water is poured in so that the fundamental frequenc… JEE Main 30th Jan 1st Shift 2024
• An organ pipe 40 cm long is open at both ends, and the speed of sound in air is 360 m s⁻¹. The frequency of t… JEE Main 8th April 1st Shift 2023
• For a certain organ pipe the first three resonance frequencies are in the ratio 1:3:5. If the frequency of th… JEE Main 12th April 1st Shift 2023
• The first overtone frequency of an open organ pipe equals the fundamental frequency of a closed organ pipe. I… JEE Main 25th June 1st Shift 2022
• A tuning fork of frequency 340 Hz resonates with an air column of length 125 cm in a cylindrical tube closed… JEE Main 28th June 2nd Shift 2022
• In a resonance tube experiment the first resonance is observed with an air column of length 20.0 cm for a tun… JEE Main 29th June 2nd Shift 2022
• A tuning fork vibrates at 250 Hz. The length of the shortest closed organ pipe that will resonate with it is… JEE Main 27th Aug 2nd Shift 2021
• A closed organ pipe of length L and an open organ pipe contain gases of densities ρ₁ and ρ₂, the compressibil… JEE Main 16th March 2nd Shift 2021
• A one metre long organ pipe, open at both ends, is kept in a gas whose density is twice that of air at STP. T… JEE Main 8th Jan 1st Shift 2019