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Published byPhyllis Bryant Modified over 9 years ago
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Standing Waves
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What is a standing wave? A standing wave is the result of identical, periodic waves moving in opposite directions. When reflected waves interfere with incident waves, a pattern results that appears to be stationary.
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The standing wave pattern shown below has 3 distinct lobes, which are called “anti-nodes”. It also has 4 regions called “nodes”.
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Nodes are regions of zero displacement caused by total destructive interference. Anti-nodes are regions of maximum displacement caused by constructive interference.
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Fixed at both ends
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Open at both ends & Open at one end
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