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Standing and Travelling WavesBY: STEVEN DANG
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What is a travelling wave?
Travelling waves are wave patterns that is seen travelling through a medium and is not confined to a given space along the medium.
Standing wave: waves bounce back and forth when they reach the boundaries on either end
Travelling wave: waves move in one direction and do not move back and forth as there is no boundary. (ex. Ocean waves)
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As standing waves reflect, the reflected portion will interfere with the initial portion of the wave in a orderly fashion. This interference resembles a sine graph.Ocean waves are a little different, although the sine wave patterns in ocean particles interfere with one another, they do so in an unorderly fashion and causes irregular and non-repeating motions.
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When a proper frequency is used, there are points in a standing wave where the wave seems to be standing still, those points are called nodes.
Travelling waves have no nodes because there are no boundaries.
node
https://www.youtube.com/watch?v=no7ZPPqtZEg
Video of standing wave on a string:
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Thank You!