FT IR Spectroscopy In scanning electron microscopy a specimen is not fixed and then coated with thin layer of a heavy metal a specimen is fixed and then coated with thin layer of a heavy metal a specimen is fixed and then coated with transition metal None of these a specimen is not fixed and then coated with thin layer of a heavy metal a specimen is fixed and then coated with thin layer of a heavy metal a specimen is fixed and then coated with transition metal None of these 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 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 many possible orientations do spin 1/2 nuclei have when they are located in an applied magnetic field? 3 6 2 4 3 6 2 4 ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy An FT-IR instrument record a signal in the none of these frequency domain time domain both (a) and (b) none of these frequency domain time domain both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy The frequency of precession, the transition frequency and the Larmor frequency are different terms for the same frequency same terms for the different frequency same terms for the same frequency different terms for the different frequency different terms for the same frequency same terms for the different frequency same terms for the same frequency different terms for the different frequency ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS