where: c = 3.00 x 10 8 m/s The index of refraction of any transparent material is greater than 1.00. since c > v, then n > 1 REFRACTION REFRACTION v c n This ray gets refracted and passes Application of Refraction of Light. Consider another ray from O (the object) incident at an angle i on XY, along OB. Diffraction is the deviation from a straight path that occurs when a wave such as light or sound passes around an obstacle or through an opening. Light refraction is used in explaini ng total reflection and dispersion of white light, When a light ray travels from an optically higher dense medium ( such as water) to an optically less dense one ( such as air ) , it refracts away from the normal line , As the angle of incidence increases in the optically higher dense medium , the angle of refraction increases in the optically less dense one . Light - Light - Reflection and refraction: Light rays change direction when they reflect off a surface, move from one transparent medium into another, or travel through a medium whose composition is continuously changing. Refraction has many applications in optics and technology. APPLICATIONS OF REFRACTION OF LIGHT. The two most observable behavioural characteristics of light are reflection and refraction. Depending on the type of spherical lens used (convex or concave) refraction through glass has many uses. Atmospheric Refraction Refraction is the bending of light (it also happens with sound, water and other waves) as it passes from one transparent substance into another. Lenses are widely used in cameras and binoculars. Even our eyes depend upon this bending of light. Applications of Refraction of Light. This hub attempts to investigate reflection and refraction of light, and its application in everyday living. This bending by refraction makes it possible for us to have lenses, magnifying glasses, prisms and rainbows. Other forms of electromagnetic radiation , in addition to light waves, can be refracted, as can sound waves. In cosmology, different telescopes are used to study the faraway objects of the universe. refraction, in physics, deflection of a wave on passing obliquely from one transparent medium into a second medium in which its speed is different, as the passage of a light ray from air into glass. Lenses are transparent objects which can focus light using refraction. 9.7 Applications of Refraction Geometric optics is a good model of light for explaining many natural optical phenomena. The law of reflection states that, on reflection from a smooth surface, the angle of the reflected ray is equal to the angle of the incident ray. Fundamentals, Applications. The importance of diffraction in any particular situation depends on the relative size of the obstacle or opening and the wavelength of the wave that strikes it. INDEX OF REFRACTION (n) Index of refraction is the ratio of the speed of light in air/vacuum to the speed of light in a transparent medium. The diverging light is traced backward and where the rays meet, an image of the object is perceived. Eyeglasses are bending the light rays in a way the compensates for whatever is going wrong inside of the eyes so that a proper image forms in the back of the retina. A good example of refraction is eyeglasses. Real and Apparent Depth When angles are small, B lies close to A such that OB ~ OA IB ~ AI Consider a ray of light incident on XY, normally along OA, it passes straight along OAAl. A lens uses refraction to form an image of an object for various purposes, such as magnification. Recall that a point is perceived by the eye when a cone of diverging light enters the eye. 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