Interactive Interference Illustration

Move your mouse slowly from side to side to see how waves interfere with each other to create another wave of a different shape.

Some important things to notice:

• The resulting wave is the addition of the two original waves. Positive hills cancel out negative troughs.
• The black and white bands become gray at the point the two original waves are exactly opposing each other (only for Internet Explorer). This is destructive interference. The bands become more intense when the two waves exactly line up. This is constructive interference.
• You could never figure out the original two waves from the resulting wave. Interference is a one way street.

Interference Make sure you see the Interactive Interference Illustration.

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