IGNOU AEC 1 2018 - Derive the mathematical expression for Beer-Lambert’s law. Give

Question

Derive the mathematical expression for Beer-Lambert’s law. Give four factors which cause deviation from the law.

06 Mar 2018

Answer :

Word Count : 392

The Beer-Lambert law relates the attenuation of light to the properties of the material through which the light is traveling.

For each wavelength of light passing through the spectrometer, the intensity of the light passing through the reference cell is measured. This is usually referred to as Io - that's I for Intensity.

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The intensity of the light passing through the sample cell is also measured for that wavelength - given

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