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<Physics> Question about finding accelerating voltage?

  1. Sep 22, 2008 #1
    In the Davisson-Germer experiment using a Ni crystal, a second-order beam is observed at an angle of 55°. For what accelerating voltage does this occur?

  2. jcsd
  3. Sep 22, 2008 #2


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    Why didn't you use the mandatory homework help template? What have you tried so far? What do you know about the Davisson-Germer experiment that could help you answer the question?

    If you make an effort to answer the problem, and show us your work we will be able to help you better.
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