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Homework Help: Mirrors Reflection

  1. Dec 14, 2005 #1

    I was wondering how to find the minimum height of a mirror so somebody of height H that is at a distance D of the mirror sees himself from head to toes.

    Anybody can help me out ? Thanks !
  2. jcsd
  3. Dec 14, 2005 #2
    Consider that the angle of line of sight from the eye to the mirror and back to the person would be divided between the distance to the mirror and the distance back to the reflected image.

    Also note that the angle of reflection changes as the distance changes.
    Last edited: Dec 14, 2005
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