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单词 lambert's law
释义

Lambert's law


noun Optics.

the law that the luminous intensity of a perfectly diffusing surface in any direction is proportional to the cosine of the angle between that direction and the normal to the surface, for which reason the surface will appear equally bright from all directions.
Also called cosine law.

Origin of Lambert's law

after J. H. Lambert

Words nearby Lambert's law

lambency, lambent, lambert, Lambert conformal projection, Lambert-Eaton syndrome, Lambert's law, Lambeth, Lambeth Conference, Lambeth degree, Lambeth Palace, Lambeth Quadrilateral
Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020
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