ththe ratio of the focal length to radius of curvature of spherical mirror
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2×Focal length=radius of curvature
I think Ratio=2:1
I think Ratio=2:1
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Focal length of a plane mirror is infinity. (A plane mirror can be considered as a spherical mirror of infinite radius of curvature. Focal length is half of radius of curvature and hence it is infinity.
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