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Homework Help: Calculate the wavelength for red light

  1. Oct 2, 2009 #1
    1. The problem statement, all variables and given/known data

    The frequency of red light is 430THz calculate its wave length. Is the answer below correct?

    2. Relevant equations

    (3*10^8) / (430*10^12) = wave length

    3. The attempt at a solution

    (3*10^8) / (430*10^12) = 6.98 to 1 Decimal Place
  2. jcsd
  3. Oct 2, 2009 #2

    Doc Al

    User Avatar

    Staff: Mentor

    You are off by some power of ten. What's 108/1012?
  4. Oct 2, 2009 #3
    Hi thanks for the reply at the end of the calculator is said e-7 (10^-7) stupid mistake. Thank you for your time :)
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