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Wave behavior of matter

  1. Oct 18, 2012 #1
    λ = h/(mv)

    so, if the velocity is negative, how could the wavelength be negative??
     
  2. jcsd
  3. Oct 18, 2012 #2

    AGNuke

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    Gold Member

    Negative velocity? We use the magnitude of the velocity -> momentum. A wavelength is not gonna change if the object is moving forward or backward with the same velocity.
     
  4. Oct 19, 2012 #3

    Borek

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    Staff: Mentor

    v here stands for speed, not velocity, and is always positive.
     
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