(I) Suppose that you want to take a photograph of yourself as you look at your image in a mirror 3.1 m away. For what distance should the camera lens be focused?
Added by Jessica L.
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This is because the mirror reflects light in such a way that it seems to come from an object located behind the mirror. So, if you are 3.1 m away from the mirror, your image appears to be 3.1 m behind the mirror. Show more…
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