define: 1) MULTIPLE REFLECTION OF LIGHT 2) REFLECTION OF LIGHT 3)REFRECTION OF LIGHI
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1) When 2 mirrors are placed facing each other such that they are parallel to each other and an object is placed between the two,then the number of images formed are infinite.This is because the image formed by one mirror acts as the object for the second mirror.This phenomena is called multiple reflection of light. The number of images formed depends on the angle between the mirrors.It is given by the formula 360/ϴ-1.
2)When a light ray incident on the surface of an object is sent back into the same medium, it results in reflection.It can be further divided into regular and diffused reflection.
3)When a ray of light passes from one transparent medium to another transparent medium,there is a change in it's direction. This change in direction or bending of light is called refraction. For refraction to take place,it is important that both the media ave different densities. However, refraction can also take place in the same medium if the densities of the different layers vary.
2)When a light ray incident on the surface of an object is sent back into the same medium, it results in reflection.It can be further divided into regular and diffused reflection.
3)When a ray of light passes from one transparent medium to another transparent medium,there is a change in it's direction. This change in direction or bending of light is called refraction. For refraction to take place,it is important that both the media ave different densities. However, refraction can also take place in the same medium if the densities of the different layers vary.
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