PHYSICS 6C GUIDE

PHYSICS 6C GUIDE - PHYSICS 6C GUIDE By Aaron...

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PHYSICS 6C GUIDE By Aaron ELECTROMAGNETIC WAVES f cn v λ == in a vacuum 8 31 0 / vc m s ==× Ec B = v stays the same in materia n = index of refraction of material Radio | microwave | infrared | visible | ultraviolet | X | Gamma 246891 0 1 1 01 0 m −−−−−− 35789 .1 10 f GHz POLARIZATION (I = Intensity) Un-polarized light through polarizer: 0 2 I I = Polarized light through polarizer: 2 0 cos ( ) II θ = SNELL’S LAW 12 sin( ) sin( ) incident refract nn = Low Æ high n, light bends straight Total internal reflection when 2 sin( ) i f n n 1 >> MIRRORS/THIN LENSES f = focal length (from lens) S = object length, S’ = image length R = radius of curvature, 1 being first side light hits () 111 1 1 1 n f SS R R =+ = Mirror: image is in front: s’ > 0, image is behind, s’ < 0 s > 0 (except imaginary) Lens: image is opposite light, s’ > 0, image is on same side, s’ < 0 Magnification yS M ′′ y = object height CONVERGING RAYS Concave mirror x), convex lens () f = +½ R Images real when outside f, virtual when inside f Real images inverted, projected, smaller when S > 2f, larger when f < S < 2f virtual image larger than object DIVERGING RAYS Convex mirror x(, concave lens )( f = -½ R
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This note was uploaded on 03/01/2009 for the course PHYS PHYS 6C taught by Professor Geller during the Fall '09 term at UCSB.

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PHYSICS 6C GUIDE - PHYSICS 6C GUIDE By Aaron...

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