A light beam travels along the ray determined by a unit vector L, strikes a flat surface
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A light beam travels along the ray determined by a unit vector L, strikes a flat surface at point P, and is reflected along the ray determined by a unit vector R, where θ1 = θ2 (Figure 26). Show that if N is the unit vector orthogonal to the surface, then
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R = 2(L.N)N - L Incoming light L N 01 0₂ P Reflected light R
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0 0 We denote by W a unit vector orthogonal to N in the direction shown in the figure and l...View the full answer
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