Geometrical OpticsHard
Question
The plane faces of two identical plano-convex lenses each having focal length of 40 cms are pressed against each other to form a usual convex lens. The distance from this lens, at which an object must be placed to obtain a real, inverted image with magnification one is
Options
A.80 cm
B.40 cm
C.20 cm
D.162 cm
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