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Which of the following components of the X-ray fluorescent spectrometer induces fluorescent radiation?

(a) Excitation source

(b) Energy analyser

(c) X-ray spectrometer

(d) Detection System

The question was posed to me in an internship interview.

I want to ask this question from X-Ray Fluorescent Spectrometer in chapter X-Ray Spectrometers of Analytical Instrumentation

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The correct option is (a) Excitation source

Easy explanation: Excitation source induces fluorescent radiation in X-ray fluorescent spectrometer. A mono-energetic source is required for this purpose.

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