单词 | Lambert's law |
释义 | Lambert's law [`lam·bǝrts ´lȯ] OPTICS 1. The law that the illumination of a surface by a light ray varies as the cosine of the angle of incidence between the normal to the surface and the incident ray. 2. The law that the luminous intensity in a given direction radiated or reflected by a perfectly diffusing plane surface varies as the cosine of the angle between that direction and the normal to the surface. 3. See <<Bouguer-Lambert law>> |
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