Light Reflection and Refraction | Physics | Science | Light Phenomena | By Prabal Sir |
Channel: Future Gyan
Date: 2020-05-01

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. ... The reflected ray is always in the plane defined by the incident ray and the normal to the surface.Reflection Refraction. A great deal of evidence suggests that light is a wave and under a wide range of circumstances, light travels in a straight line. For example, sunlight casts sharp shadows. Another example is refraction where light passes from one transparent medium into another

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