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Wavelength and Frequency

Discussion in 'MCAT Study Question Q&A' started by collegelife101, May 14, 2014.

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  1. collegelife101

    collegelife101

    34
    0
    May 2, 2014
    As the frequency of a wave is increased, which of the following must decrease?
    Period
    Amplitude
    Wavelength
    Speed

    The answer was period because it is the inverse, but what about wavelength? Aren't frequency and wavelength proportional?
     
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  3. jlescher

    jlescher 5+ Year Member

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    Feb 16, 2012
    MDApps:
    If this was talking about electromagnetic waves, then you would be correct in your thinking because the speed of light is constant. For any other wave, you could hold wavelength constant and simply increase the speed. Increasing the speed would cause the frequency to increase without changing anything about wavelength. The key word in this question is "must". Period is the only thing that must change if frequency changes.
     
    DrknoSDN likes this.
  4. syoung

    syoung MS-3 5+ Year Member

    1,032
    75
    Jan 2, 2011
    Over the rainbow
    MDApps:
    no?
    v = lamda*freq.
     
    oOKawaiiOo likes this.
  5. pepocho

    pepocho 2+ Year Member

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    Mar 13, 2013
    .
     
    Last edited: Apr 11, 2016
  6. jlescher

    jlescher 5+ Year Member

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    Feb 16, 2012
    MDApps:
  7. oOKawaiiOo

    oOKawaiiOo 5+ Year Member

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    Jan 21, 2011
    Public library computer
    Frequency and wavelength are inversely proportional to one another with a constant velocity.
     

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