difine mirror & lens and their types ? by figure
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A mirror is an object that reflects light in such a way that, for incident light in some range of wavelengths, the reflected light preserves many or most of the detailed physical characteristics of the original light, called specular reflection.
lens·es. 1. A ground or molded piece of glass, plastic, or other transparent material with opposite surfaces either or both of which are curved, by means of which light rays are refracted so that they converge or diverge to form an image. 2.
Lenses and Light
Refraction. When a light wave moves from one medium (like air) to another medium (like glass) the light rays are bent. ...Types of Lenses. There are different ways to classify lenses. ...Converging. ...Diverging. ...Other Types of Lenses. ...Putting the Names Together. ...Focal Point. ...Focal Length.
Spherical mirrors can be of two types: Convex mirror and concave mirror.
Concave mirror: A spherical mirror whose reflecting surface faces towards the center of the sphere i.e., curved inwards is known as concave mirror.Convex mirror: A spherical mirror with reflecting surface curved outwards is known as convex mirror.
lens·es. 1. A ground or molded piece of glass, plastic, or other transparent material with opposite surfaces either or both of which are curved, by means of which light rays are refracted so that they converge or diverge to form an image. 2.
Lenses and Light
Refraction. When a light wave moves from one medium (like air) to another medium (like glass) the light rays are bent. ...Types of Lenses. There are different ways to classify lenses. ...Converging. ...Diverging. ...Other Types of Lenses. ...Putting the Names Together. ...Focal Point. ...Focal Length.
Spherical mirrors can be of two types: Convex mirror and concave mirror.
Concave mirror: A spherical mirror whose reflecting surface faces towards the center of the sphere i.e., curved inwards is known as concave mirror.Convex mirror: A spherical mirror with reflecting surface curved outwards is known as convex mirror.
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