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What is the unit of absorbance which can be derived from Beer Lambert’s law?(a) L mol^-1 cm^-1(b) L gm^-1 cm^-1(c) Cm(d) No unitThe question was asked in an interview for job.Asked question is from Introduction to UV Visible Spectrometers in section Colorimetry and Spectrometry of Analytical Instrumentation

Answer»

Right answer is (d) No unit

The best I can explain: ABSORBANCE has no unit. The units of ABSORPTIVITY, DISTANCE and concentration CANCEL each other. Hence, ABSORPTION has no unit.



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