The 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 pipe is 20 cm, the length of the open organ pipe is

Question

Dr. Abubacker · Accepted Answer

[Solution] $\frac{v}{2L_o} = \frac{3v}{4L_c}$, so $L_o = \frac{2}{3}L_c = 13.3$ cm ≈ 13.2 cm. Answer (3).

Q. The 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 pipe is 20 cm, the length of the open organ pipe is

Explanation

Reviewed by Dr. Abubacker

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