what is lenses how many types are there????
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Answer:
The two main types of lenses are: Convex Lens (Converging) Concave Lens (Diverging)
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Answer:
A lens is a transmissive optical device that focuses or disperses a light beam by means of refraction.
Explanation:
Lenses are basically magnifying glasses with curved sides. A lens is a piece of transparent glass which concentrates or disperses light rays when passes through them by refraction. Due to the magnifying property, lenses are used in telescopes and other magnifying devices.
The two main types of lenses are:
Convex Lens (Converging)
Concave Lens (Diverging)
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