Which of the following detectors are generally used for detection in NO analysis using CO laser?(a) Photomultiplier tube(b) Photovoltaic cell(c) Liquid nitrogen cooled Ge-Au element(d) Photo emissive tubeThe question was asked by my school principal while I was bunking the class.This is a very interesting question from NO2 Analyser topic in division Industrial Gas Analysers of Analytical Instrumentation

Which of the following detectors are generally used for detection in N

1.	Which of the following detectors are generally used for detection in NO analysis using CO laser?(a) Photomultiplier tube(b) Photovoltaic cell(c) Liquid nitrogen cooled Ge-Au element(d) Photo emissive tubeThe question was asked by my school principal while I was bunking the class.This is a very interesting question from NO2 Analyser topic in division Industrial Gas Analysers of Analytical Instrumentation
Answer» Correct choice is (C) Liquid nitrogen COOLED Ge-Au element For explanation: Liquid nitrogen cooled Ge-Au element is used detection in NO analysis using CO LASER. The SIGNAL amplitude varied with the concentration of NO.

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