1.The fundamental frequency for a 20-cm closed pipe when the speed of sound is 3

Question

1.The fundamental frequency for a 20-cm closed pipe when the speed of sound is 340 m/s is ____. 4.25 Hz 825 Hz 425 Hz 8.25 Hz 1.The fundamental frequency for a 20-cm closed pipe when the speed of sound is 340 m/s is ____. 4.25 Hz 825 Hz 425 Hz 8.25 Hz 1.The fundamental frequency for a 20-cm closed pipe when the speed of sound is 340 m/s is ____. 4.25 Hz 825 Hz 425 Hz 8.25 Hz 1.The fundamental frequency for a 20-cm closed pipe when the speed of sound is 340 m/s is ____. 4.25 Hz 825 Hz 425 Hz 8.25 Hz 1.The fundamental frequency for a 20-cm closed pipe when the speed of sound is 340 m/s is ____. 4.25 Hz 825 Hz 425 Hz 8.25 Hz

Explanation / Answer

L = v/(4*f)

f = v/(4*L)

=340 / (4*0.2)     , 20cm=0.2m

=425 Hz

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