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Lab Six

# Lab Six - Lab Six Sound Waves and the Principle of...

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Lab Six Sound Waves and the Principle of Superposition Purpose: In this lab, our goals are to use a microphone to analyze the frequency components of turning forks and crystal wine glasses and to record overtones produced with the tuning fork. From this we would like to observe and understand the phenomenon of beats. Finally, we would like to perform an experimental verification of the superstition principle so that we can fully understand this principle by the end of this lab. Data and Calculations : Part One : Tuning Fork One Tuning Fork Two Frequency Stamped on Tuning Fork 320 Hz 384 Hz Period from Waveform 0.00305 Seconds 0.00265 Seconds Frequency from Waveform 327.87 Hz 377.35 Hz Frequency from Curve Fit 319.74 Hz 382.92 Hz Frequency from FFT Graph 321.04 Hz 383.30 Hz Fundamental Frequency from FFT 321.04 Hz 383.30Hz Overtone Frequency from FFT 1972.66 Hz 2364.50Hz Part Two: Volume of Glass Water (mL) Number of Cycles First Maximum (Seconds) Last Maximum (Seconds) Change in Time (Seconds) Period (Seconds) Calculated Frequency (Hz) Frequency from FFT (Hz) 200mL 42 0.0013 0.0495 0.0482 0.001147 871.37 849.61

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Lab Six - Lab Six Sound Waves and the Principle of...

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