Question

When the trough of one light wave meets the crest of another light wave, __________ occurs.

wave building
destructive interference
constructive interference
wave destruction

Answer 1

It depends

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It is either constructive or destructive, we have no known theory yet as of now, ( 4/8/2021 ) but it is either of them, depending on how the sentence is worded.

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Hope this helps :')

Answer 2

I took the test, its constructive interference

Edit: this is kind of a trick question. took the test again it was the same question yet this time the answer was destructive. Good luck with that