FT IR Spectroscopy What is the name given to the relaxation process due to an interaction between an excited nucleus and the magnetic fields caused by nuclei in molecules moving around in the sample? Spin - spin - spin relaxation Spin - lattice relaxation Spin - spin relaxation None of these Spin - spin - spin relaxation Spin - lattice relaxation Spin - spin relaxation None of these ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy An FT-IR instrument record a signal in the time domain both (a) and (b) none of these frequency domain time domain both (a) and (b) none of these frequency domain ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy How many possible orientations do spin 1/2 nuclei have when they are located in an applied magnetic field? 6 3 2 4 6 3 2 4 ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy Negative staining is a technique used in light microscopy electron microscopy gel electrophoresis immunocytochemistry light microscopy electron microscopy gel electrophoresis immunocytochemistry ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy When radiation energy is absorbed by a spin 1/2 nucleus in a magnetic field, what happens? The nucleus spins faster None of these The processional frequency of the nucleus increases The angle of precession flips so that the magnetic moment of the nucleus opposes the applied field The nucleus spins faster None of these The processional frequency of the nucleus increases The angle of precession flips so that the magnetic moment of the nucleus opposes the applied field ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy How do you turn a signal recorded in the time domain into a frequency domain signal? Fourier transformation None of the above By use of a Michelson interferometer Measurement of peak areas Fourier transformation None of the above By use of a Michelson interferometer Measurement of peak areas ANSWER DOWNLOAD EXAMIANS APP
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