| 单词 | Lambert's laws |
| 释义 | Lambert's laws(1) The illuminance of a surface illuminated by light falling on it perpendicularly from a point source is inversely proportional to the square of the distance between the surface and the source. I = Ioexp(-αd) where Io is the intensity of the radiation that enters the medium and α is its linear absorption coefficient . These laws were first stated (for light) by Johann H. Lambert |
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