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Thread: Blackbody radiation

  1. #1 Blackbody radiation 
    Forum Freshman chicken_boy's Avatar
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    Feb 2006
    Smallest continent in the world
    In the derivation of plank's equation on blackbody radiation, the radiation within the cavity must form standing waves and thus each frequency has a certain number of possible modes.

    However, I have no idea why the radiation has to form standing waves. Why does the electric field have to be zero?
    I'll be grateful if anyone can enlighten me on this. Thanks!

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  3. #2  
    Forum Freshman Silex7's Avatar
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    Mar 2006
    hmm am not sure if i gut what u mean by standing waves, knowledge is that an inclines wave (photon) when it reaches the internal cavity it reflected inside bare times as zig zag lines..
    so there is not raidiations..
    am not sure wha u mean then a standing waves..?

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