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Postby Andrea_1H » Sun Oct 13, 2019 9:53 pm

What is the difference between constructive interference and destructive interference?

Julie Park 1G
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Re: Diffraction

Postby Julie Park 1G » Sun Oct 13, 2019 9:56 pm

In constructive interference, interactions between waves lead to a greater amplitude. This occurs when the peaks of waves coincide. On the other hand, in destructive interference, interactions between waves lead to a smaller amplitude. This happens when the peak of one wave coincides with the trough of another.

It's easier to understand if you try looking up a picture of each kind of interference! :)

Hannah Pham
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Re: Diffraction

Postby Hannah Pham » Sun Oct 13, 2019 9:58 pm

Constructive interference is when the waves that meet are in the same direction, which could result in higher peaks. Destructive interference occurs when displacement of the waves that meet are in opposite directions; this could result in lower peaks.

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