Answer:
A magnifying glass is a convex lens. ... A lens is something that allows light rays to pass through it and bends, or refracts, them as they do so. A magnifying glass uses a convex lens because these lenses cause light rays to converge, or come together.
Refracting telescopes use lenses to bend the light to a specific focal point such that the object will be magnified to the viewer. ... This lens is a convex lens that bends the incoming light rays to a focal point within the telescope. The second lens is called the eyepiece.
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