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["BEATS"]
[null,"Two waves (shown in red and green) traveling together but with different wavelengths undergo alternating"]
[null,"constructive and destructive interference, leading to \"beats\" as they pass an observer.",null,null,null,null,null,null,null,null,null,null,"wave #1","wave #2"]
[null,"The resultant wave is shown in yellow. Enable macros for the controls to work.",null,null,null,null,null,null,null,"time",null,"wavenumber",0.69811111111111113,0.62829999999999997]
[null,null,null,null,null,null,null,null,null,0,null,"amplitude",1,1]
[null,"wave #1",null,null,"wave #2",null,null,null,null,null,null,"ang.freq.",{"$f":"10*M4","v":6.9811111111111117},{"$f":"10*N4","v":6.2829999999999995}]
[null,"wavelength","amplitude",null,"wavelength","amplitude",null,"time",null,null,null,"phase",null,0]
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