Copy the diagram and complete it by drawing two rays to show the formation of an image of the object AB. State the size, position and nature of the image formed.
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Solution
When the object AB is placed beyond the center of curvature, then the ray of light parallel to the principal axis and another ray which passes through the center of curvature intersect each other at a point between the focus and the center of curvature. The image A′B′ is formed between C and F and is diminished, real and inverted.