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Unformatted text preview: Midterm 1 Topics Electromagnetic Waves Displacement Current: I disp = d E dt Poynting Vector: * Full Expression: ~ S = 1 ~ E ~ B * Direction: Cross ~ E with ~ B * Magnitude: S = 1 EB Maxwell s Equations (integral form) * Gauss Law: H ~ E ~ dA = q in * Gauss Law: H ~ B ~ dA = 0 * Amperes Law: H ~ B ~ ds = I enc + 0 0 d E dt * Faradays Law: H ~ E ~ ds =- d B dt Maxwell s Equations (Differential form) * Gauss Law: ~ ~ E = * Gauss Law: ~ ~ B = 0 * Amperes Law: ~ ~ B = ~ J + 0 0 d ~ E dt * Faradays Law: ~ ~ E =- d ~ B dt Light Pressure: * P = <S> C (perfectly-absorbed light) * P = 2 <S> C (perfectly-reflected light) Polarization: * Make sure you can find the component of the electric field that is transmitted through a polarizing filter. * Make sure you can use the incident and transmitted electric fields to relate incident and transmitted light intensities.fields to relate incident and transmitted light intensities....
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This note was uploaded on 10/21/2008 for the course PHYS 6C taught by Professor Staff during the Fall '01 term at UCLA.
- Fall '01