Role of lenses In
Our life?
Answers
There are many uses of lenses in our daily life:
the lenses used by old persons for reading, lens embedded in the front door of the house, the lens which the watch maker attaches to his eye etc. Lenses are used in spectacles. They are also used in telescopes
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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 devices that similarly refract radiation other than visible light are also called the lenses such as the microwave lenses or the acoustic lenses .
The lenses are used in many things , They are used in the medical eye glasses either for reading or walking , They are used in the wars , the leaders use the binoculars to follow the battles .
The person who fixes the watches use a magnifier lens to see the minute parts of the watches , The lenses are used in the manufacture of many things as the projector , the cameras and the magnifying lenses .
The lenses are used in designing some of optical devices such as Telescopes which are used for formation enlarged images for the heavenly bodies .
The lenses are used in Microscopes which are used for formation magnified images of the tiny bodies that can not be seen with the naked eye and they are used in making of medical glasses to treat the vision defects .
Types of lenses
There are two types of the lenses which are the convex lens and the concave lens .
