1. Limited time only! Sign up for a free 30min personal tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Homework Help: 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


    User Avatar
    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.
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook