FT IR Spectroscopy The frequency of precession, the transition frequency and the Larmor frequency are same terms for the different frequency different terms for the different frequency same terms for the same frequency different terms for the same frequency same terms for the different frequency different terms for the different frequency same terms for the same frequency different terms for the same frequency ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy In FT-NMR, how are nuclei excited? By radio-frequency radiation whose frequency is swept across a predetermined range By an intense pulse of radiation which contains a wide range of frequencies None of these By an intense pressure By radio-frequency radiation whose frequency is swept across a predetermined range By an intense pulse of radiation which contains a wide range of frequencies None of these By an intense pressure ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy What is meant by rotating frame of reference? 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 That the detector rotates around the sample None of these That the sample is spun rapidly in 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? Measurement of peak areas None of the above By use of a Michelson interferometer Fourier transformation Measurement of peak areas None of the above By use of a Michelson interferometer Fourier transformation 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? None of these Spin - spin relaxation Spin - spin - spin relaxation Spin - lattice relaxation None of these Spin - spin relaxation Spin - spin - spin relaxation Spin - lattice relaxation ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy Which of the following is the basis of first dimension of separation for two-dimensional electrophoresis? Molecular mass Solubility Isoelectric point Folding Molecular mass Solubility Isoelectric point Folding ANSWER DOWNLOAD EXAMIANS APP
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