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Joules to Frequency Problem

  1. Mar 18, 2014 #1
    Hi guys,

    I'm new to the forum, and I was recently asked this question by my friend:

    If a light wave has 2.50x10 to the -14 Joules of energy, what is its frequency?

    I'm no good at physics, so I was wondering if you guys could give me a hand. I'm completely clueless.


  2. jcsd
  3. Mar 18, 2014 #2


    User Avatar

    Staff: Mentor

    Please Google photon energy to wavelength. I doubt that you don't know how to use Google, but will cut you a break this time if you couldn't come up with the search terms.
  4. Mar 18, 2014 #3
    @berkeman Thanks, I'll try it.
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