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 same frequency different terms for the different frequency same terms for the same frequency same terms for the different frequency different terms for the same frequency different terms for the different frequency same terms for the same frequency ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy Which of the following is the basis of first dimension of separation for two-dimensional electrophoresis? Isoelectric point Folding Solubility Molecular mass Isoelectric point Folding Solubility Molecular mass 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 In FT-NMR, how are nuclei excited? None of these By an intense pressure By an intense pulse of radiation which contains a wide range of frequencies By radio-frequency radiation whose frequency is swept across a predetermined range None of these By an intense pressure By an intense pulse of radiation which contains a wide range of frequencies By radio-frequency radiation whose frequency is swept across a predetermined range ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy In scanning electron microscopy a specimen is not fixed and then coated with thin layer of a heavy metal None of these a specimen is fixed and then coated with thin layer of a heavy metal a specimen is fixed and then coated with transition metal a specimen is not fixed and then coated with thin layer of a heavy metal None of these a specimen is fixed and then coated with thin layer of a heavy metal a specimen is fixed and then coated with transition metal 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 - spin - spin relaxation Spin - spin relaxation Spin - lattice relaxation None of these Spin - spin - spin relaxation Spin - spin relaxation Spin - lattice relaxation None of these ANSWER DOWNLOAD EXAMIANS APP
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