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XII - Physics - Wave Theory of Light
Price: Free! Words: 1,640. Language: English. Published: October 23, 2012. Categories: Nonfiction » Education & Study Guides » Test preparation
(4.00 from 1 review)
A wave-front is a surface, all the points of which are in the same phase. A normal to the wave-front at any point is called the wave normal at that point.