NEET UG 2023 · Physics · Question 14
NEET 2023 Physics, question 14
Question 14 of the NEET 2023 paper (code G6) is a Physics question from Waves. Its idea, Open Organ Pipe Harmonics, was asked 3 times, in 2018, 2023 and 2025, across NEET 2017–2026. The NTA final answer key gives option 3.
Updated 2026-10-08
Q14 · Physics
The ratio of frequencies of fundamental harmonic produced by an open pipe to that of closed pipe having the same length is :
- 13 : 1
- 21 : 2
- 32 : 1Official answer
- 41 : 3
Official answer: option 3 · NTA final answer key
Same idea
Open Organ Pipe Harmonics, in other papers
NEET asked this idea 3 times, in 2018, 2023 and 2025. The other 2 questions below.
- 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
- 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
Open Organ Pipe Harmonics: every question and how it was framed
The chapter
Waves in ten years of NEET
9 questions from 2017–2026, asked in 7 of 10 papers, about 0.9 a paper. Standing Waves, Organ Pipes and Beats alone had 7.