Sunday, 28 December 2014

homework and exercises - Beat frequency for 3 waves



Consider 3 waves of frequency 101, 103, 106 hz, and of same intensity. What should be the beat frequencies?



Now I can calc it for 2 waves, and i know how to write the combined equation of the two. But the addition of a third causes lots of problems...the equation is getting cumbersome. Can you please help me here? I dug around online, and some responses were neglecting the third wave as it was too close to one of the waves. If I want to avoid that, is there any other solution?




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