phy1020.DVI

(Darren Dugan) #1

Figure 9.4: Interference in two colliding wave pulses. (a) Constructive interference; when the two pulses
overlap, their displacements add constructively, giving a large pulse equal to the sum of the original two. (b)
Destructive interference; when the two pulses overlap, they cancel out and momentarily add to zero.

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