the focal length of plane mirror is
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the focal length of a plane mirror is infinite when parallel rays fall on a mirror surface they are brought to a point after reflection this. Is called focal point and the distance of the point from the centre of the mirror is called focal length of the
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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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