What is the focal lenght of a plane mirror?? Why??

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2007-04-25 13:00:23 · 2 answers · asked by Maverick977 2 in Science & Mathematics ➔ Physics

The radius of curvature is infinite (it's flat, no curvature), so the focal length is infinite.

2007-04-25 13:04:10 · answer #1 · answered by Anonymous · 0⤊ 0⤋

A plane mirror doesn't have a focal length because it doesn't focus light to a point.

2007-04-26 02:41:27 · answer #2 · answered by Demiurge42 7 · 0⤊ 0⤋