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The characteristic emission of which colour, when discharge takes place in a low pressure chamber containing gas sample, will indicate the presence of nitrogen while using photospectrometer?(a) Purple(b) Blue(c) Pink(d) GreenI have been asked this question in my homework.I would like to ask this question from Method Based on Ionization of Gases topic in portion Industrial Gas Analysers of Analytical Instrumentation

Answer»

Correct ANSWER is (a) Purple

For explanation I would say: The characteristic emission of purple colour, when DISCHARGE takes PLACE in a low pressure CHAMBER containing gas sample, will indicate the presence of nitrogen while USING photospectrometer. These are usually employed in medical applications.



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