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H4-12. Lissajous Frequency Measurement
Purpose
To show how frequencies can be matched using Lissajous figures.
Equipment
Microphone, oscillator, oscilloscope, and frequency meter, with scope/TV cart.
Images
Description
Obtain a Lissajous figure using a sine wave oscillator (on the horizontal axis) and a musical sound such as a voice or instrument (on the vertical axis). Using the Lissajous figure and the frequency of the oscillator determine the frequency of the musical note. ◙
References
(PIRA unavailable.)
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See pagesh1. nature of sound
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See pagesh2. wave properties of sound
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See pagesh3. standing sound waves
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See pagesh4. music
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See pagesh5. the ear
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See pagesh6. the voice
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See pagesh1. nature of sound
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See pagesh2. wave properties of sound
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See pagesh3. standing sound waves
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See pagesh4. music
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See pagesh5. the ear
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See pagesh6. the voice
Physics Lab Demos