Posted by **Abhi** on Friday, June 15, 2012 at 1:50pm.

What do u mean by phase in wave optics??

- Physics -
**drwls**, Friday, June 15, 2012 at 2:18pm
In any wave problem, some physical quantity varies above and below an average value, once per period, usually in a sinusoidal manner.. The phase measures how long is has been since the start of the previous cycle. One period corresponds to 2 pi radians of phase.

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