Waves:
in constructive interference, two waves moving through the same medium must be
choose one answer.
a.
in phase with each other

b.
cancelled out by each other

c.
blocked by each other

d.
out of phase with each other

In constructive interference, two waves moving through the same medium must be in phase with each other. The correct option among all the options that are given in the question is the first option or option "a". I hope that this is the answer that you were looking for and the answer has come to your help.

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