vågfront
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In physics, the wavefront of a time-varying wave field is the set (locus) of all points having the same phase. The term is generally meaningful only for fields that, at each point, vary sinusoidally in time with a single temporal frequency (otherwise the phase is not well defined).
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Vågfront är en samling av sammanhängande punkter (linje eller yta) där en våg har samma fas. Vågnormalen är riktningen vinkelrät mot vågfronten.
Abstract from DBpedia / Wikipedia · CC BY-SA