NEET UG · Physics · Waves
Open Organ Pipe Harmonics
NEET asked Open Organ Pipe Harmonics 3 times, in 2018, 2023 and 2025: 3 of the 1,875 questions in the 10 papers from 2017–2026. It belongs to Standing Waves, Organ Pipes and Beats, in Waves (Physics). The longest wait between two papers asking it was 5 years.
Updated 2026-10-08
- Times asked
- 3
- in 2017–2026
- Papers
- 3
- of 10
- First asked
- 2018
- last in 2025
- Chance next paper
- 6%
- calibrated historical rate
Questions on this idea, by paper
2017–2026. 2018, 2023 and 2025.
How NEET framed it
One-line MCQ is the usual form. Skill tested: application.
- Numerical
- Ratio of fundamental frequencies of open and closed pipes
Chance asked next paper 6%
Every question
All 3 questions
From the official NEET UG papers, newest first. Open one for the full question, the options and the official answer.
- 2025 Q45A pipe open at both ends has a fundamental frequency in air. The pipe is now dipped vertically in a water drum to half of its length.…One-line MCQ · Medium
- 2023 Q14The ratio of frequencies of fundamental harmonic produced by an open pipe to that of closed pipe having the same length is :One-line MCQ · Easy
- 2018 Q2The fundamental frequency in an open organ pipe is equal to the third harmonic of a closed organ pipe. If the length of the closed organ…Numerical · Medium
Same topic
Other ideas in Standing Waves, Organ Pipes and Beats
Standing Waves, Organ Pipes and Beats has 5 ideas NEET has asked; 1 of them came up in more than one question.
- Nodes and Antinodesonce · 2026
- Beats and String Tensiononce · 2020
- Resonance Tubeonce · 2018
- Closed Organ Pipe Harmonicsonce · 2017