6 • Beats

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6 Terms

1
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Define Beats

The result of the interference of sound waves

2
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Name 2 ways that beats are observed

  • Sound waving - constructive interference

  • Sound waning - destructive interference

3
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State the laws of beats • 1

  • The number of beats per second = f2 - f1

4
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State the laws of beats • 2

  • If number of beats per second = 0

  • f1 =f2

5
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<p>Demonstrate beats</p>

Demonstrate beats

  • Fork vibrations are slowed down by the elastic band

  • The difference in frequencies cause a beat to be heard

6
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Name an application of the beats demonstration

Piano tuning