lecture16 - Physics 102: Lecture 16 Introduction to Mirrors...

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Unformatted text preview: Physics 102: Lecture 16 Introduction to Mirrors HE2: TODAY!! Material covered: lectures 8 through 12 NOT INCLUDING RLC CIRCUITS! discussions through 6 homework through 6 labs through 5 Light incident on an object Absorption Everything true for wavelengths << object size Reflection (bounces) See it Mirrors Refraction (bends) Lenses 5 Often some of each Reflection i f 8 Angle of incidence = Angle of reflection i = r (Angles between light beam and normal) Object Location Light rays from sun bounce off object and go in all directions Some hit your eyes We know objects location by where rays come from. Color results from some light being absorbed by object before bouncing off. 10 Flat Mirror All you see is what reaches your eyes You think objects location is where rays appear to come from. r i Smooth Mirror Object Image All rays originating from peak will appear to come from same point behind mirror!...
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This note was uploaded on 01/25/2012 for the course PHYS 102 taught by Professor Lee during the Spring '08 term at University of Illinois, Urbana Champaign.

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lecture16 - Physics 102: Lecture 16 Introduction to Mirrors...

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