what is a lens and what are its uses
Answers
Answer:A lens is a transmissive optical device that focuses or disperses a light beam by means of refraction. ... Lenses are made from materials such as glass or plastic, and are ground and polished or molded to a desired shape. A lens can focus light to form an image, unlike a prism, which refracts light without focusing.
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Answer:
Explanation:
The lens is the transparent medium that refracts the light and it is limited with two spherical surfaces , The lens is usually made of the glass or the plastic , The lens is the transparent optical device that affects the focus of a light beam through the refraction .
a simple lens consists of a single piece of material while a compound lens consists of several simple lenses ( the elements ) , usually along a common axis .
the lenses are made from transparent materials such as the glass , the ground and polished to a desired shape ,The lens can focus the light to form an image , unlike a prism , which refracts the light without focusing .
The uses of lenses to treat the vision defects