problem32_04

problem32_04 - 32.4: a) f = b) Bmax = c 3.00 108 m s = =...

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32.4: a) . Hz 10 90 . 6 m 10 35 . 4 s m 10 00 . 3 λ 14 7 8 × = × × = = - c f b) . T 10 00 . 9 s m 10 00 . 3 m V 10 70 . 2 12 8 3 max max - - × = × × = = c E B c) The electric field is in the x -direction, and the wave is propagating in the - z - direction. So the magnetic field is in the - y -direction, since . B E S × Thus: . ˆ ) ) s rad 10 34 . 4 ( ) m 10 45 . 1 cos(( ) m V 10 70 . 2 ( ) ( ˆ s m 10 00 . 3 ) Hz 10 90 . 6 ( 2 cos V/m) 10 70 . 2 ( ) , ( ˆ 2 cos ˆ ( cos ) , ( 15 1 7 3 8 14 3 max max i E i E i i E t z z,t z t π t z t c z πf E ωt) kz E t z × + × × =
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This note was uploaded on 10/21/2009 for the course PHYS 208 taught by Professor Ross during the Spring '08 term at Texas A&M.

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