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Constructive interference refers to waves that are in phase. This means that you can add them to give rise to a larger wave. Destructive interference refers to waves that are out of phase, which means that you can subtract the waves' peaks. If both waves are at their highest peak at a given moment, they are considered to be in-phase. If one wave is at its highest peak (positive) while the other wave is at its lowest peak (negative), at a given moment, they are out of phase.
Last edited by VPatankar_2L on Sat Oct 12, 2019 12:33 pm, edited 1 time in total.
Junwei Sun 4A wrote:Could someone please explain what are constructive interference and destructive interference? Thanks.
In phase means to interact with
-two wavelengths are in phase, that is the peak of one wave is in phase with the peak of the other wave
-together, the two waves result in a larger wave
-two waves are out of phase, that is the peak of one wave interacts with the trough (lowest part of the wave) of the other wave
-together, the two waves result in a smaller wave
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