An open pipe of length \( 33 \mathrm{~cm} \) resonates to a frequency of \( 1000 \mathrm{~Hz} \)...
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An open pipe of length \( 33 \mathrm{~cm} \) resonates to a frequency of \( 1000 \mathrm{~Hz} \). The mode of vibration is: (ve-
P locity of sound \( =330 \mathrm{~m} / \mathrm{s} \) )
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(1) Fundamental
(2) The \( 2^{\text {nd }} \) harmonic
(3) The \( 3^{\text {rd }} \) harmonic
(4) The \( 4^{\text {th }} \) harmonic
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