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Optional Practical: Boomwhackers (copy)

A boomwhacker is a musical instrument in the form of 6 plastic tubes that if hit against your hand emit a note. The frequency of the note is related to the length of the tube, since they are open at both ends the wavelength of the fundamental will be 2 x length.The frequency of the sound can be measured by recording the sound on your computer then using the program Audacity to analyze the frequency spectrum and measure...

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