File talk:Light-wave.png
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Incorerect diagram
[编辑]This diagram is incorrect, fails to show the 90 degree phase shift between the E-M sine waves, like [1]. Tomruen (talk) 04:03, 25 January 2012 (UTC)
- No, it is not. See the discussion on en:File talk:Light-wave.png. – gpvos (talk) 19:03, 31 March 2021 (UTC)