15:0115:01, 22 October 2018diffhist+225
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User talk:MeKLT
←Created page with '~~~~ I have a question which was about mirror and the question is why the incident ray passing through optical center in the concave lens don't bend>'
15:0115:01, 22 October 2018diffhist+225
N
User talk:MeKLT
←Created page with '~~~~ I have a question which was about mirror and the question is why the incident ray passing through optical center in the concave lens don't bend>'