write the relation between focus and radius of curvature of a spherical mirror
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The relation between focal length (f) and radius of curvature (R) of a spherical mirror is that the focal length is equal to half of the radius of curvature i.e. f=R2. ... We know that rays of light parallel to the principal axis passing through the focus (F) of a concave mirror, after reflection.
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Explanation:
The relation between focal length (f) and radius of curvature (R) of a spherical mirror is that the focal length is equal to half of the radius of curvature i.e. f=R2. ... We know that rays of light parallel to the principal axis passing through the focus (F) of a concave mirror, after reflection.
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