Mirror reflection

  • Thread starter touqra
  • Start date
  • #1
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Main Question or Discussion Point

Why is it that a mirror reflection only exchange the notion of left-right but not up-down ? I mean if I were to stand in front of a mirror, my mirror image exchanges my left hand with the left, but not my head with my legs.
 

Answers and Replies

  • #2
krab
Science Advisor
896
2
Actually, it does neither; it reverses front-back.
 
  • #3
GENIERE
touqra said:
Why is it that a mirror reflection only exchange the notion of left-right but not up-down ? I mean if I were to stand in front of a mirror, my mirror image exchanges my left hand with the left, but not my head with my legs.
I had the same problem with my new digital camera so I reversed the scan on my monitor. Works fine now but I have to type using a mirror.


.
 
  • #4
863
4
krab said:
Actually, it does neither; it reverses front-back.
I've been asked the original question many times, I kinda thought this was the answer in my mind, but never could put it so elegantly. You're my hero, krab!
 

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