The difference between constructive and destructive interference is that contructive interference is when the crest of a wave has been combined with the crest of another wave to increase its amplitude while a destructive iterference is when the crest of a wave is combined with the trough of another wave to decrease the amplitude they are the opposite of each other.
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| Constructive interference |
An example of constructive interference is when someone is on a swing because the person keeps adding force on the swing to make the swing go higher. An exaple of destructive interference is whan you drop 2 drops of water in a pool (or anything that is holding a liquid) at different times.
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Destructive interference
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The pictures didn't show up! I will give you credit since the rest of it is good. 3/3
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