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 same terms for the same frequency different terms for the different frequency same terms for the different frequency different terms for the same frequency same terms for the same frequency different terms for the different frequency ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy What is meant by rotating frame of reference? None of these That the detector rotates around the sample 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 None of these That the detector rotates around the sample 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 ANSWER DOWNLOAD EXAMIANS APP
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 scanning electron microscopy 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 a specimen is not fixed and then coated with thin layer of a heavy metal 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 4 2 6 3 4 2 6 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 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 To ensure that all target nuclei in the sample have been excited None of these ANSWER DOWNLOAD EXAMIANS APP
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