Question

A wave of amplitude .30 m interferes with a second wave of amplitude .20 m. What are the largest and smallest displeacements that can occur? What type of interference is demonstrated by each displacement?
The largest displacement possible is 0.3 + 0.2 = 0.5 (which corresponds to constructive interference). The lowest is 0.3 - 0.2 = 0.1 (which corresponds to destructive interference).

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