FT IR Spectroscopy An FT-IR instrument record a signal in the none of these both (a) and (b) frequency domain time domain none of these both (a) and (b) frequency domain time domain 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 pressure None of these 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 By an intense pressure None of these By an intense pulse of radiation which contains a wide range of frequencies ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy What is meant by rotating frame of reference? That the sample is spun rapidly in the applied field None of these 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 That the sample is spun rapidly in the applied field None of these 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 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? 2 6 3 4 2 6 3 4 ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy What does the Michelson interferometer do? Selectively filter certain wavelengths from a beam of I.R. radiation Modulate the I.R. signal at a lower frequency, so that it can be observed by a detector Split a polychromatic beam of radiation into its component wavelengths None of these Selectively filter certain wavelengths from a beam of I.R. radiation Modulate the I.R. signal at a lower frequency, so that it can be observed by a detector Split a polychromatic beam of radiation into its component wavelengths None of these ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy How do you turn a signal recorded in the time domain into a frequency domain signal? Fourier transformation None of the above By use of a Michelson interferometer Measurement of peak areas Fourier transformation None of the above By use of a Michelson interferometer Measurement of peak areas ANSWER DOWNLOAD EXAMIANS APP
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