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Convert radio frequency to temperature

  1. Nov 19, 2007 #1
    Hello,

    Is there a formula to convert a certain radio frequency to temperature? Thanks.
     
  2. jcsd
  3. Nov 19, 2007 #2

    mgb_phys

    User Avatar
    Science Advisor
    Homework Helper

    What exactly do you mean?
    If you mean the temperature of a black that emits a frequency in the radio then use wein's law.
     
  4. Nov 19, 2007 #3
    for example, the FM station abc operates at 86.1mhz, what's the temperature is the radio wave emitting?

    i think i have found the formula though.

    http://en.wikipedia.org/wiki/Wien's_displacement_law

    do i use the frequency form formula?

    fmax = (ak/h)(T)
     
  5. Nov 20, 2007 #4

    Dale

    Staff: Mentor

    The spectrum of a FM broadcast is not very similar to the spectrum of blackbody radiation at any temperature. I don't think the conversion makes sense.
     
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