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Unformatted text preview: Physics 7C, Fall 2009 lecture bullet points VII-XIV I will write briefly the bullet points covered in each lecture. If you missed a lecture, you will definitely need to look at someones notes or the textbook, but this may help you know where to look. Lecture VII : Finish electromagnetic spectrum (Giancoli 31) and basic wave properties. Index of refraction: speed of light is different in media with different dielectric constant . Intuitive derivation of Snells law from principle that light takes the fastest path from A to B (lifeguard at beach analogy). Examples of Snells law: light bends closer to the normal in the medium with the higher index of refraction. Giancoli 32. Lecture VIII : Maxwells equations at a boundary (not in Giancoli) as justification for ray model of light. Assump- tions in ray model. Angles of reflection and refraction (Snells law). Brewsters angle (polarization by reflection). Total internal reflection. Dispersion. Plane mirror. Giancoli 32.by reflection)....
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- Fall '08