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________________ is not a source of radiant energy.(a) Tungsten-mercury lamp(b) Tungsten lamp(c) Xenon-mercury arc(d) Deuterium discharge lampThis question was posed to me by my school principal while I was bunking the class.I'm obligated to ask this question of Respiratory Gas Analysers in chapter Pulmonary Function Analysers of Biomedical Instrumentation

Answer»

The correct answer is (a) Tungsten-mercury lamp

Explanation: Radiant just means energy that can move from ONE place to another without a medium to CARRY it. A source of radiant energy, which MAY be a tungsten lamp, a xenon-mercury ARC, HYDROGEN or deuterium discharge lamp, etc.



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