Final answer:
A magnifying glass is a convex lens that produces an enlarged image of an object on the retina.
Explanation:
A magnifying glass is a convex lens that is used to produce an enlarged image of an object on the retina. When an object is placed within the focal length of a convex lens, its image is virtual, upright, and larger than the object. The magnification power of a magnifying glass depends on the distance between the lens, the observer's eye, and the object being viewed.
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