Instrumentation of ESR Spectrometer
Instrumentation of ESR Spectrometer 1. Which of the following is used as detector crystal in ESR spectrometer? a) Silicon rectifier b) Silicon tungsten rectifier c) Silicon boron rectifier d) Silicon…
Basic ESR Spectrometer
Basic ESR Spectrometer 1. Given below is the diagram of Klystron tube. Identify the component. a) Cathode b) Anode c) Grid d) Reflector electrode Answer: d Explanation: The component is…
Electron Spin Resonance
Electron Spin Resonance Questions & Answers 1. Electron spin resonance involves detecting the detection of a physical phenomenon of ________ of electromagnetic radiation. a) Adsorption b) Absorption c) Radiation d)…
Instrumentation of Ion Spectroscopy
Instrumentation of Ion Spectroscopy 1. In ion spectroscopy, the positive ions are focussed on the sample at which of the following angles? a) 20o b) 30o c) 45o d) 90o…
Ion Spectroscopy Questions & Answers
Ion Spectroscopy Questions & Answers 1. In Ion spectroscopy, the primary ion is usually which of the following? a) Inert gas ion b) Halogen ion c) Oxygen group gas ion…
Instrumentation for Electron Spectroscopy
Instrumentation for Electron Spectroscopy 1. A basic X-ray source includes which of the following components? a) Large target anode b) Large target cathode c) Small target anode d) Small target…
Auger Electron Spectroscopy
Auger Electron Spectroscopy 1. The characterisation of auger spectroscopy can be achieved up to which of the following depths? a) 1 nm b) 2 nm c) 4 nm d) 8…
Electron Spectroscopy for Chemical Analysis
Electron Spectroscopy for Chemical Analysis 1. The kinetic energy of the photoelectron energies is dependent on _________ of the atom, which makes XPS useful to identify the oxide state. a)…
Surface Spectroscopic Techniques
Surface Spectroscopic Techniques 1. Surface is usually more than _____ atomic layer deep and is a region of ________ atomic potentials. a) One, uniform b) One, non-uniform b) Two, uniform…
Tandem Mass Spectroscopy
Tandem Mass Spectroscopy 1. Tandem mass spectroscopy combines which of the following devices? a) Mass spectrometer and gas-solid chromatograph b) Mass spectrometer and gas-liquid chromatograph c) Mass spectrometer and gas…
