FT IR Spectroscopy What is meant by rotating frame of reference? That the detector rotates around the sample None of these That the sample is spun rapidly in the applied field If the laboratory itself is imagined to be rotated at the Larmor frequency, viewing that individual magnetic moment vectors are fixed in space That the detector rotates around the sample None of these That the sample is spun rapidly in the applied field If the laboratory itself is imagined to be rotated at the Larmor frequency, viewing that individual magnetic moment vectors are fixed in space ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy Negative staining is a technique used in electron microscopy immunocytochemistry light microscopy gel electrophoresis electron microscopy immunocytochemistry light microscopy gel electrophoresis ANSWER DOWNLOAD EXAMIANS APP
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 - lattice relaxation Spin - spin relaxation Spin - spin - spin relaxation None of these Spin - lattice relaxation Spin - spin relaxation Spin - spin - spin relaxation None of these ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy In FT-NMR, how are nuclei excited? By an intense pressure By an intense pulse of radiation which contains a wide range of frequencies None of these By radio-frequency radiation whose frequency is swept across a predetermined range By an intense pressure By an intense pulse of radiation which contains a wide range of frequencies None of these By radio-frequency radiation whose frequency is swept across a predetermined range ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy An FT-IR instrument record a signal in the none of these time domain frequency domain both (a) and (b) none of these time domain frequency domain both (a) and (b) 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 angle of precession flips so that the magnetic moment of the nucleus opposes the applied field The processional frequency of the nucleus increases The nucleus spins faster None of these The angle of precession flips so that the magnetic moment of the nucleus opposes the applied field The processional frequency of the nucleus increases The nucleus spins faster None of these ANSWER DOWNLOAD EXAMIANS APP
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