Wave Interference Activity: Constructive and Destructive Interference


Constructive Interference: When a crest from one source meets a crest from another source, the energy’s combine to displace the medium.


Standing wave: When interfering waves have the same amplitude and wavelength, the resultant interference pattern remains nearly stationary and is called standing interference.


Destructive Interference: When a crest and a trough meet, the energies combine to work against each other- they tend to cancel out.


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