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Old Nov 21st 2009, 05:20 PM   #1
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Smile EM Waves

Here is the Question -
By Assuming solutions of the from E=Eocos(kz-wt) and B=Bocos(kz-wt), show that Maxwells eqns lead to transverse EM waves, so that E.B=0 and there is no component of the fields in the direction of propagation.

These seemed fairly straight forward but I just cant work it out. Visually its easy to see but I cant get the proof to work. Any help would be appreciated.
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Old Nov 22nd 2009, 12:19 AM   #2
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I AM FINDING SOMETHING USING CURL OF E =-del B/delt
the Z component of Left side is vanishing. so the right side must.
and the components when compared is giving a hint of an underlying crossproduct.
please wait! i am working on it.

Last edited by r.samanta; Nov 22nd 2009 at 05:13 AM.
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