Explanation:
When two crests overlap, this is a constructive wave interference. This is positive wave interference involving addition of both amplitudes – whether it's two crests or two troughs of the wave. Therefore in this case;
5 + 3
= 8
The resulting wave will have a crest with an amplitude of 8 at the point of interference.
Destructive wave interference occurs when a crest meets a trough. This kind of interference involves the subtraction of the amplitudes of the two.
Learn More:
For more on wave interference check out;
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