FT IR Spectroscopy An FT-IR instrument record a signal in the frequency domain none of these both (a) and (b) time domain frequency domain none of these both (a) and (b) time domain 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
FT IR Spectroscopy What does the Michelson interferometer do? Modulate the I.R. signal at a lower frequency, so that it can be observed by a detector None of these Selectively filter certain wavelengths from a beam of I.R. radiation Split a polychromatic beam of radiation into its component wavelengths Modulate the I.R. signal at a lower frequency, so that it can be observed by a detector None of these Selectively filter certain wavelengths from a beam of I.R. radiation Split a polychromatic beam of radiation into its component wavelengths ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy In FT-NMR, how are nuclei excited? By an intense pulse of radiation which contains a wide range of frequencies By an intense pressure By radio-frequency radiation whose frequency is swept across a predetermined range None of these By an intense pulse of radiation which contains a wide range of frequencies By an intense pressure By radio-frequency radiation whose frequency is swept across a predetermined range None of these ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy The frequency of precession, the transition frequency and the Larmor frequency are 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 same terms for the different frequency different terms for the same frequency ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy In scanning electron microscopy 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 a specimen is fixed and then coated with thin layer of a heavy metal None of these 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 a specimen is fixed and then coated with thin layer of a heavy metal None of these ANSWER DOWNLOAD EXAMIANS APP