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Light RaysThe human eye relies on light to create images of objects. Therefore light is a vital part of our visual process. The most common model used to show the nature of light is called the ray model of light. This model presents light as an energy that travels in rays, or straight beams and allows us to represent light in an easily understood manner. There is much more, however, to understanding exactly what light is and how it acts. This section explores the wave nature of light and incidences in which light is redirected. Topics: |