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6
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an optical image formed from the apparent divergence of light rays from a point
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8
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a type of surface reflectance often described as a mirror-like reflection of light from the surface
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9
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the angle which an incident line or ray makes with a perpendicular to the surface at the point of incidence
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10
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the real or apparent reversal of left and right
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11
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Impenetrable by light
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13
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A ray of light or other form of radiant energy which is thrown back from a nonpermeable or nonabsorbing surface
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14
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branch of optics dealing with light as rays
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15
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a pair of lines or planes that intersect each other at a 90 degree angle
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16
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the reflection of light or other waves or particles from a surface such that a ray incident on the surface is scattered at many angles rather than at just one angle as in the case of specular reflection
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18
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light that strikes an object
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