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Standing Waves

Standing Waves. Interference Over Time. Key Question. What would two identical waves, travelling in opposite directions look like when they interfere with each other?. Let’s See!!!. Bell Wave Machine Animation http://www.walter-fendt.de/ph14e/stwaverefl.htm.

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Standing Waves

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  1. Standing Waves Interference Over Time

  2. Key Question What would two identical waves, travelling in opposite directions look like when they interfere with each other?

  3. Let’s See!!! • Bell Wave Machine • Animation http://www.walter-fendt.de/ph14e/stwaverefl.htm

  4. A standing wave pattern is the result of the interference between two identical waves travelling in opposite directions

  5. How many wavelengths does each standing wave have? • What is the relationship between number of nodes and wavelength? • Copy down the board note

  6. Labelling a Standing Wave Nodal points or Nodes (N) • points in a standing wave pattern that remain at rest • Spacing between nodes is equal to ½λ • Complete destructive interference

  7. Labelling a Standing Wave Antinodes • points where constructive interference occurs creating double crests and double troughs

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