Please someone tell me what is Beer -Lambert Law?
Answer:
In optics, the Beer-Lambert law, also known as Beer's law or the Lambert-Beer law or the Beer-Lambert-Bouguer law (in fact, most of the permutations of these three names appear somewhere in literature) is an empirical relationship that relates the absorption of light to the properties of the material through which the light is travelling.
absorption of light by a chemical species in solution is proportional to the concentration of the chemical species.
A = (epsilon)cl
where c is the concentration, l is the path length of light through the solution and epsilon is a constant (the molar extinction coefficient for that chemical species.)
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