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Homework Help: Sonar wavelength

  1. Dec 11, 2006 #1
    1. The problem statement, all variables and given/known data

    a bat operates on SONAR system at a frequency of about 50khz. Since SONAR only responds to targets larger than one wavelength in size, cant he bat detect mosquitos that are about 2mm in size?

    2. Relevant equations

    v= change in x/change in t

    3. The attempt at a solution

    for 50 KHz i find the wavelength to be 6.88 mm, so the bat will not detect the small 2mm mosquitos. is this correct?
  2. jcsd
  3. Dec 11, 2006 #2


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    Staff Emeritus
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    Gold Member

    looks alright to me, but I'm not sure why you posted that equation. The one you need to use and it looks like you have is [tex]c=f\lambda[/tex]
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