what is the value of focal length of plane mirror?
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In a plane mirror the reflective surface is completely flat due to which when light rays strike on the surface the angle reflection and the angle of incidence becomes same and equal.
Mathematically, the limit of both a concave and a convex spherical curved mirror as the radius can be considered to be a plane mirror, and therefore its focal length, becomes infinite.
Mathematically, the limit of both a concave and a convex spherical curved mirror as the radius can be considered to be a plane mirror, and therefore its focal length, becomes infinite.
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