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when toggle format what by license comment
Apr 13, 2017 at 12:39 history edited CommunityBot
replaced http://physics.stackexchange.com/ with https://physics.stackexchange.com/
Mar 12, 2014 at 18:09 comment added garyp A detail: Suppose the incident light is a superposition of plane waves, each having a wave vector normal to the surface but different frequencies. Is that wave not a plane wave? The phase fronts are planar, I think. Or is "plane wave" a synonym for "monochromatic plane wave"?
Mar 12, 2014 at 16:34 history answered John Rennie CC BY-SA 3.0