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Beats

Beats. 17.4. Beats. When two frequencies are the same Constructive and Destructive Interference give twice the amplitude or no amplitude What if the two frequencies are just slightly different?. Beats. Beats. Application of Beats. A simple way to tune musical instruments is with beats

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Beats

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  1. Beats 17.4

  2. Beats • When two frequencies are the same • Constructive and Destructive Interference give twice the amplitude or no amplitude • What if the two frequencies are just slightly different?

  3. Beats

  4. Beats

  5. Application of Beats • A simple way to tune musical instruments is with beats • If the notes are out of tune, you hear beats • Adjust the tuning and try again • If the frequency of the beats is higher, adjust the other way • Keep adjusting until there are no more beats

  6. Practice Problems • Try beating these problems • 506 CQ 6, P 16 – 20 • Total of 6 Problems

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