Question
Thu October 27, 2011 By: Yashasvi Narula

What is the focal length of concave and convex mirror?

Expert Reply
Thu October 27, 2011
The distance of principle focus F from the pole P of the spherical mirror is called focal length(f) of the mirror. In case of concave mirror F is a real point while in case of convex mirror F is a virtual point. Focal length of a concave and convex mirror is half the radius of curvature of the mirror. 
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