sir i wanna know what is optical density?i'm not able to find it anywhere....
Asked by anukeshd | 1st Dec, 2012, 10:53: PM
Optical density is the measure of the transmission of an optical medium for a given wavelength. Higher OD lower transmittence and vice versa e.g; optical density of 1 means 90% of incident light is absorbed.
Answered by | 2nd Dec, 2012, 12:52: AM
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