Columbia University Physics Lecture Demonstrations


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3B60.18 Beats with Function Generators

[Setup Time: 10 Min.] [Current Condition: Good]

Info

Two speakers are connected to different function generators. Beats can clearly be heard when the frequencies are nearly identical.

Setup Instructions

1. Connect each speaker to a function generator.

2. Produce sounds of identical frequencies and then alter one slightly until beats are heard.

Parts List

Identical Speakers in L. Misc

2 Function Generators in L. Misc

Relevant Simulation

N/A

Other Information

Determining Unknown Audio Frequency With Audio Generator

Real-Life Examples

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More Advanced Reading

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