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Is there an easy way to remember the signs used for the mirror equation?

  1. Apr 29, 2007 #1
    Is there an easy way to remember the signs used for the mirror equation? For lenses? How does one keep the signs separate with talking about mirrors and lenses? I find it confusing... Please help, thanks!
     
  2. jcsd
  3. Apr 30, 2007 #2
    You simply cram the mirror equation.And switch appropriate sign in appropriate cases.There is no other alternative.
     
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