Electron Probe Microanalyser Questions & Answers

Electron Probe Microanalyser Questions & Answers 1. Which of the following is not a type of optics employed in electron probe microanalyser? a) Electron optics b) Light optics c) X-ray…

Total Reflection Spectrometer Questions & Answers

Total Reflection X-Ray Fluorescence Spectrometer Questions & Answers 1. In total reflection X-ray fluorescence spectrometer, the specimen is excited by the primary X-ray beam at a grazing angle _______ the…

Fluorescent Spectrometer Questions & Answers

Fluorescent Spectrometer Questions & Answers 1. 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…

X-Ray Fluorescence Spectrometry Questions and Answers

X-Ray Fluorescence Spectrometry Questions and Answers 1. If the absorption of electromagnetic radiation by matter results in the emission of radiation of same or longer wavelengths for a long or…

X-Ray Absorption Meter Questions and Answers

X-Ray Absorption Meter Questions and Answers 1. Absorption meter is __________ and ____________ of the chemical state of the element concerned. a) Non-destructive, independent b) Destructive, independent c) Non-destructive, dependent…

X-Ray Diffractometers Questions & Answers

X-Ray Diffractometers Questions & Answers 1. X-ray diffractometers are not used to identify the physical properties of which of the following? a) Metals b) Liquids c) Polymeric materials d) Solids…

X-Ray Spectroscopy Questions & Answers

X-Ray Spectroscopy Questions & Answers 1. In X-ray spectrometers, the specimen or the sample is placed after which of the following components? a) X-ray tube b) Monochromator c) Collimator d)…

Pulse Height Analyzer Questions & Answers

Pulse Height Analyzer Questions & Answers 1. A discriminator circuit is which of the following circuits? a) Wheatstone bridge b) Instrumentation amplifier c) Astable multivibrator d) Schmitt trigger Answer: d…

Liquid Scintillation Counters Questions & Answers

Liquid Scintillation Counters Questions & Answers 1. In liquid scintillation counter, which of the following is a fluorescent substance? a) Solvent b) Solute c) Crystal d) Reagent Answer: b Explanation:…

Gamma Camera Questions & Answers

Gamma Camera Questions & Answers 1. The first gamma camera is also known by which of the following names? a) Hal camera b) Anger camera c) Muller camera d) West…