An air column in a closed organ pipe vibrating in unison with a fork, produces second overtone. The vibrating air column has (a) three nodes and two antinodes. (b) three nodes and three antinodes. (c) four nodes and three antinodes. (d) three nodes and four antinodes.

Answer: (b). Second overtone of a closed pipe: L=(5λ)/(4). From the closed end: N A N A N A, giving 3 nodes and 3 antinodes. So the answer is (b).

An air column in a closed organ pipe vibrating in unison with a fork… | MHT CET 2024 (2 May, Shift 1)

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Organ Pipes & Resonance Tube

An air column in a closed organ pipe vibrating in unison with a fork, produces second overtone. The vibrating air column has

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Answer: (b)

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