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Mirrors reflect and lenses refract-can someone verify if I understand it?

  1. Nov 24, 2011 #1
    Mirrors reflect and lenses refract-can someone verify if I understand it?
     
  2. jcsd
  3. Nov 24, 2011 #2
    They are the correct terms to use !!!
     
  4. Nov 24, 2011 #3
    Lenses reflect and refract. Mirrors reflect 100% and refract 0%. If my memory serves me, lenses well reflect ~4% when the light is on the way in, and another ~4% when light is on the way out. and the rest ~92% will refract.
     
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