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MHT CET 2026 (17 Apr, Shift 2) · Organ Pipes & Resonance Tube

Organ Pipes & Resonance Tube question from MHT CET 2026 (17 Apr, Shift 2)

Q1MHT CET 2026 · 17 APR · SHIFT 2Easy

Organ Pipes & Resonance Tube

In a pipe closed at one end, air column is vibrating in the fourth overtone so the vibrating air column has ' $x$ ' nodes and ' $y$ ' antinodes. The values of $x$ and $y$ are respectively

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Answer: (d)

Fourth overtone of a closed pipe is the 9th harmonic: $L=\frac{9\lambda}{4}$ .
The $k$ -th overtone of a closed pipe has $k+1$ nodes and $k+1$ antinodes.
So $x=5$ , $y=5$ : answer (d).

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