What is lens? explain the two types of lenses?
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Answer:
Lens is a transparent piece of glass with at least one curved surface, it is also of plastic. There are two types of lenses and they are convex lens and concave lens
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Answer:
A lens is a piece of transparent material, usually circular in shape, with two polished surfaces, either or both of which is curved and may be either convex (bulging) or concave (depressed). The curves are almost always spherical; i.e., the radius of curvature is constant.
Explanation:
there are two types of lens
1. Convex lens
2. Concave lens
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