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Workshop on Stationaty waves

Physics Teachers’ Conference. Workshop on Stationaty waves. Diana Giczi Jurisich Miklós High School KŐSZEG. Waves can be produced in an elastic medium (practically in all media). Energy is lost quickly as vibration travels in the medium.

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Workshop on Stationaty waves

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  1. Physics Teachers’ Conference Workshop on Stationaty waves Diana Giczi Jurisich Miklós High School KŐSZEG

  2. Waves can be produced in an elastic medium (practically in all media) Energy is lost quickly as vibration travels in the medium. We have to give the energy continuously to produce a wave for a long time

  3. Waves Reflect refract diffract interfere

  4. Waves reflect at the boundary • On fixed end • in oppositephase On free end in the samephase

  5. Stationary waves Travelling and reflecting waves interfere one end free both ends fixed

  6. Examples: In an elastic „spring” Different overtones To produce more nodes bigger frequency is needed, more and more difficult

  7. On an elastic surface: E.g. thin film of soapy water Three dimensional e.g. sound in a tube:

  8. On mercury drop As the experiment shows

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