Asked by Dylan
Define the focal length of a convex mirror?
Answers
Answered by
drwls
For a source at infinity, it MINUS the distance between the mirror and the virtual image, where the reflected rays appear to come from. It is negative because it is behind the mirror.
You can also define it as -R/2, where R is the radius of curvature of the mirror surface.
You can also define it as -R/2, where R is the radius of curvature of the mirror surface.
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