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Friday, 9 October

NEET UG 2017 · Physics · Question 43

NEET 2017 Physics, question 43

Question 43 of the NEET 2017 paper (code A) is a Physics question from Waves. Its idea, Closed Organ Pipe Harmonics, was asked only this once in NEET 2017–2026. The CBSE official answer key gives option 2.

Updated 2026-10-08

Q43 · Physics

The two nearest harmonics of a tube closed at one end and open at other end are 220 Hz and 260 Hz. What is the fundamental frequency of the system ?

  1. 110 Hz
  2. 220 HzOfficial answer
  3. 330 Hz
  4. 440 Hz

Official answer: option 2 · CBSE official answer key

Same idea

The only question on Closed Organ Pipe Harmonics

No other NEET paper from 2017–2026 tested this exact idea.

Closed 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.

Waves: questions per paper

0242’172’180’191’200’211’221’230’241’251’26