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H3-01: STANDING SOUND WAVES - TWO SOURCES 10 years 4 months ago #817

zzfixk23
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ID Code: H3-01
Purpose: Demonstrate the origin of standing waves from two identical sources.
Description: Both speakers are driven by the same 3000 Hz sine wave from the audio oscillator, which is shown on the top trace of the oscilloscope. The standing wave pattern, observed by sliding a microphone along the optical rail between the speakers, is displayed on the lower trace.
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