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Prompt emission of X-ray by an atom ionised by a higher energy X-ray is a type of which of the following phenomena?(a) Luminescence(b) Fluorescence(c) Phosphorescence(d) Spontaneous emissionThis question was posed to me by my college director while I was bunking the class.The query is from X-Ray Fluorescence Spectrometry topic in portion X-Ray Spectrometers of Analytical Instrumentation

Answer» RIGHT option is (b) FLUORESCENCE

Explanation: Prompt EMISSION of X-ray by an atom ionised by a higher energy X-ray is a type of fluorescence. Fluorescence EMISSIONS are characteristic of the particular ELEMENT.


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