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Unformatted text preview: 1. +"E*dA=(Q_encl/h) Gauss's Law Index of refraction : n=c/v ,n=h_0/h Snell s law : n_a*sin(h_a)=n_b*sin(h_b) n_a*sin(h_a)=n_b*sin(90h) Sheet1 Page 2 Mirror or lens equation: (1/s)+(1/s')=(1/f)=(2/R) Magnification of a magnifier: m=(25cm)/f Meaning of f-number--> f-number=focal length/diameter of aperture=f/D Double slit experiment Interference of a thin film : n_a*sin(h_p)=n_b*sin(90h-h_p)=n_b*cos(h_p) Constructive interference : d*sin(h)=m*h (m=0,h1,h2,. ..) Destructive interference : d*sin(h)=[m+(1/2)]*h (m=0,h1,h2,. ..) where sin(h)H"tan(h)H"(y_m)/R Phase changes by h/2 when the light is reflected from the surface of which index of refraction is bigger....
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This note was uploaded on 04/21/2008 for the course PHYS 2306 taught by Professor Ykim during the Fall '06 term at Virginia Tech.
- Fall '06