The classical demonstration experiment on acoustic beats using two signal generators and a dual trace oscilloscope is an important ingredient in teaching the subject.1 This short laboratory note aims to point out what may be the simplest demonstrative experiment on acoustic beats to carry out in a classroom without employing any lab apparatus.

Topics
Electroacoustics, Acoustics, Microphones, Tuning forks, Acoustic waves, Oscilloscopes, Signal generators, Educational aids, Teaching, Public policy and governance
© 2015 American Association of Physics Teachers.
2015
American Association of Physics Teachers
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