Nuclear Magnetic Resonance Spectrometer Questions & Answers
Nuclear Magnetic Resonance Spectrometer Questions and Answers 1. NMR spectroscopy is used for determining structure in which of the following materials? a) Radioactive materials b) Insoluble chemical compounds c) Liquids…
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:…