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Unformatted text preview: z axis. (b) Since k is given as 1.57 10 7 /m, then = 2 / k = 4.0 10 7 m, which means f = c / = 7.5 10 14 Hz. (c) The magnetic field amplitude is given as B m = 4.0 10 6 T. The electric field amplitude E m is equal to B m divided by the speed of light c . The rms value of the electric field is then E m divided by 2 . Eq. 3326 then gives I = 1.9 kW/m 2 ....
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This note was uploaded on 06/03/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.
 Spring '08
 Any
 Physics, Polarization

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