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Sahay Sir > Question Answers > Cengage NEET by C.P Singh > Part 2 > Chapter 18 - Refraction at Spherical Surfaces > A convex lens form a real image of a point object placed on its principal axis. if the upper half of the lens is painted black,

A convex lens form a real image of a point object placed on its principal axis. if the upper half of the lens is painted black,

A convex lens form a real image of a point object placed on its principal axis. if the upper half of the lens is painted black