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  1. #1

    Aug 2011
    1,442



    :
    : ( )
    ( ) .
    :
    x-rays , Wight light , under red , cosmic rays .................. :
    cosmic rays γ-rays Χ-rays UV VL IR Radar Radio
    0.0001 Å 0.01 Å 1 Å 2000 Å (4000-8000) Å 10.000 Å 108 Å
    0.1cm
    1010 Å
    100cm


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    ,
    .
    , .
    , .
    :

    Pfond

    Brachat

    Pashen
    Balmer Lyman
    IR IR IR VL UV
    5 4 3 2 1 n1
    6, 7, 8 5, 6, 7 4,5,6.... 3, 4, 5 2, 3, 4. n2


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    ύ = R (1/22-1/n2)

    ύ .
    R =4/b = 109678cm-1
    b= 3646Å= constant
    n>2
    .
    ύ= 1/λ =R (1/n12 1/n22)
    λ .
    n1 .
    n2 n1 .
    n2 .
    n1 n2 .


  2. #2

    Jul 2012
    5,302

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