A pipe open at both ends has a fundamental frequency $f$ in air. The pipe is now dipped vertically in a water drum to half of its length. The fundamental frequency of the air column is now equal to:

Question

Dr. Abubacker · Accepted Answer

[Solution by Claude - not from source] Open pipe: $f=\frac{v}{2L}$. Dipped to half length it becomes a closed pipe of length $L/2$: $f'=\frac{v}{4(L/2)}=\frac{v}{2L}=f$. Answer (2).

Q. A pipe open at both ends has a fundamental frequency $f$ in air. The pipe is now dipped vertically in a water drum to half of its length. The fundamental frequency of the air column is now equal to:

Explanation

Reviewed by Dr. Abubacker

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