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Wavelength of a Photon

  1. Mar 7, 2012 #1
    1. The problem statement, all variables and given/known data

    Suppose one photon has a wavelength of 6770 nanometers while a second photon has a wavelength 1/6 as large. What is the ratio of the energy of the second photon divided by the first photon?

    2. Relevant equations

    Not sure.

    3. The attempt at a solution

    Don't know where to start.
  2. jcsd
  3. Mar 7, 2012 #2


    User Avatar
    Gold Member

    Try one step at a time. What is the wavelength of the second photon?
  4. Mar 7, 2012 #3
    E = hc/λ

    You don't even need the wavelengths.
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