Radius of curvature of a spherical mirror is _____ its focal length.

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Solution

Focal length of spherical mirror is half the radius of curvature i.e f=2R.

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What is the relation between the focal length and radius of curvature of a spherical mirror (concave mirror or convex mirror) ? Calculate the focal length of a spherical mirror whose radius of curvature is 25 cm.

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