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, the image will

A convex forms a real image of a poinnt object placed on its principal axis. If the upper half of the lens is painted black

A convex forms a real image of a poinnt object placed on its principal axis. If the upper half of the lens is painted black

A convex forms a real image of a poinnt object placed on its principal axis. If the upper half of the lens is painted black

A convex lens forms a virtual image of an object placed ………… .

A biconvex lens forms a real image of an object placed perpendicular to its principal axis. Suppose the radii of curvature of the lens tend to infinity. Then the image would

A convex lens is used to form an image of an object on a screen. If the upper half of the lens is blackened so that it becomes opaque, then