Laws of Reflection + Key terms

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9 Terms

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Incident ray

ray of light coming toward a surface

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angle of incidence

measured between the incident ray and the normal

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normal

perpendicular line drawn from point of contact of incident ray at the surface

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reflected ray

ray of light starting at the point of contact and moving away from the surface

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angle of reflection

measured between the reflected ray and the normal

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types of reflection

specular, diffuse

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specular reflection

reflection off of a smooth, plane surface, forms a clear image

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diffuse reflection

light reflects off of a bump surface, forms a rough image

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laws of reflection

  1. incident ray, reflected ray, and normal lie on the same plane

  2. angle of reflection is equal to angle of incidence