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Standing waves and microwave ovens

  1. Nov 15, 2009 #1
    1. The problem statement, all variables and given/known data
    With a wavelength of 12cm, how do I show that the microwave frequency is approx. 2.5GHz?

    2. Relevant equations
    v=f x lambda

    3. The attempt at a solution
    I'm confused about the wave speed bit....
  2. jcsd
  3. Nov 15, 2009 #2


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    Homework Helper

    Try putting the given numbers into the formula you wrote and see what happens!
    We'll help you out if you show your work.
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