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A closed pipe creates a fifth harmonic frequency of 125 Hz. What is the next lower frequency that will create a standing wave in the pipe? (Speed of sound 343 m/s) (Unit Hz)
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formula for 5th harmonic of stading waves in closed pipe-f5 5 4L 5f=125 Hz 125Hz 25Hz f fundamental frequency L-length of the pipe v-sound velocity -343m/s th next lower frequency 3f, -3x75Hz 225H2

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