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 The frequency of precession, the transition frequency and the Larmor frequency are different terms for the different frequency different terms for the same frequency same terms for the same frequency same terms for the different frequency different terms for the different frequency different terms for the same frequency same terms for the same frequency same terms for the different frequency ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy Why is it advantageous to record many FID signals from the same sample and then add them together? To ensure that all target nuclei in the sample have been excited None of these To remove inaccuracies caused by fluctuations in the applied magnetic field To increase sensitivity To ensure that all target nuclei in the sample have been excited None of these To remove inaccuracies caused by fluctuations in the applied magnetic field To increase sensitivity ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy In immunofluroscence microscopy, fluroscent compounds are attached to bound antibody specific for the subcellular structure an antigen specific for the subcellular structure none of these an antibody specific for the subcellular structure bound antibody specific for the subcellular structure an antigen specific for the subcellular structure none of these an antibody specific for the subcellular structure 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 What does the Michelson interferometer do? 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 Modulate the I.R. signal at a lower frequency, so that it can be observed by a detector ANSWER DOWNLOAD EXAMIANS APP
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