PHY2061 R. D. Field Department of Physics chp41_1.doc University of Florida λ 1 λ 2 n 1 = c/v 1 n 2 = c/v 2 v 2 < v 1 v 2 v 1 λ 1 λ 2 n 1 = c/v 1 n 2 = c/v 2 v 2 < v 1 v 2 v 1 θ 1 θ 2 L Light as a Wave - Interference Huygen&s Principle: All points on a wavefront serve as point sources of spherical wavelets. After a time t, the new position of the wavefront will be the surface tangent to the secondary wavelets.
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Angle of Incidence, Snell's Law, Total internal reflection, V1, Department of Physics