Q139 / 160 · TS EAMCET 2025 (02 May Shift 2) · Physics

If the lengths of the open and closed pipes are in the ratio of $2: 3$, then the ratio of the frequencies of the third harmonic of the open pipe and the fifth harmonic of the closed pipe is

A
$3: 5$
Correct answer
B
$9: 5$
C
$2: 3$
D
$4: 9$

Hence, the correct answer is option: 'B'.

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