velocity of sound in air at room temp temperature is 340 metre per second if length of air in a pipe is 20 cm find the frequency of second overtone in the pipe when it is closed at one end and open at both in having same inner diameter is 4cm
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Explanation:
for a closed pipe, frequrncies of harmonics are
\LARGE \nu1 = v/4L = 320/4 = 80 Hz
\LARGE \nu2 = 3v/4L = 3 *80 = 340 Hz
\LARGE \nu3 = 5v/4L = 5*80 = 400 Hz
Similarily we can also get some more frequencies
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