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Singing Rods

Striking or stroking the end of an aluminum rod while holding the center between fingertips excites a simple longitudinal standing wave. The speed of sound in aluminum is found by measuring the length and finding the frequency (using #15855 Frequency Finder). A second rod creates 'beats' when sounded with the first. Includes real rosin for fingertips and earplugs for the demonstration.

15845

$88.36

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Striking or stroking the end of an aluminum rod while holding the center between fingertips excites a simple longitudinal standing wave. The speed of sound in aluminum is found by measuring the length and finding the frequency (using #15855 Frequency Finder). A second rod creates 'beats' when sounded with the first. Includes real rosin for fingertips and earplugs for the demonstration.

 

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