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MHT CET 2023 (12 May, Shift 2) · Organ Pipes & Resonance Tube

Organ Pipes & Resonance Tube question from MHT CET 2023 (12 May, Shift 2)

Q73MHT CET 2023 · 12 MAY · SHIFT 2Medium

Organ Pipes & Resonance Tube

End correction at open end for air column in a pipe of length ' $l$ ' is ' $e$ '. For its second overtone of an open pipe, the wavelength of the wave is

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Answer: (b)

An open pipe has end correction at both ends: effective length $= l + 2e$ .
Second overtone = 3rd harmonic: $l + 2e = \frac{3\lambda}{2}$ .
$\lambda = \frac{2(l + 2e)}{3}$
So the answer is (b) $\frac{2(l+2e)}{3}$ .

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