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Information from a wave

  1. Jan 5, 2012 #1
    1. The problem statement, all variables and given/known data
    A wave travelling through a block of glass has a magnetic field of the for
    B(z,t0 = BI sin(2x10^15t - 2x10^10z)
    What information can you extract from the equation above

    2. Relevant equations
    well ω=2∏f
    k = 2∏/λ
    v=ω/λ
    n = c/v

    3. The attempt at a solution
    I know can find ω = 2x10^15, f = 3.14159x10-15
    k = 2x10^10, λ = 314159x10^-10
    v = 1x10^5


    first are these right and the second thing is that can i find the refractive index of glass with the information here?

    if i try and get n i get it to be a value of ≈30 but that seems to high
     
  2. jcsd
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