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Which of the following is not true about Absorption spectroscopy?

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Which of the following is not true about Absorption spectroscopy?

(a) It involves transmission

(b) Scattering is kept minimum

(c) Reflection is kept maximum

(d) Intensity of radiation leaving the substance is an indication of a concentration

I have been asked this question in my homework.

This intriguing question originated from Introduction to UV Visible Spectrometers in chapter Colorimetry and Spectrometry of Analytical Instrumentation

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Right answer is (c) Reflection is kept maximum

To explain I would say: In Absorption spectroscopy, reflection must also be kept minimum along with scattering. Amount of absorption depends on the number of molecules in the material.

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