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  • Take speed of sound in air 332 m/s. The length of the shortest closed organ pipe that will resonate with tuning fork is 36 cm. Find the tuning fork is vibrating<str

Take speed of sound in air 332 m/s. The length of the shortest closed organ pipe that will resonate with tuning fork is 36 cm. Find the tuning fork is vibrating

Option: 1

230.9 Hz


Option: 2

230.6 Hz


Option: 3

220.9 Hz


Option: 4

230.2 Hz


Answers (1)

best_answer

V = 332 m/s

lc = 36 cm

lc = 36 × 10-2 m

\begin{gathered} \text { Close }-f_c=\frac{V}{4 l_c} \\\ f_c=\frac{332}{4 \times 36 \times 10^{-2}} \\\ f_c=\frac{33200}{144} \\ f_c=230.6 \mathrm{Hz} \end{gathered}

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