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 different frequency
different terms for the same frequency
same terms for the same frequency

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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

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FT IR Spectroscopy
Why is it advantageous to record many FID signals from the same sample and then add them together?

None of these
To increase sensitivity
To ensure that all target nuclei in the sample have been excited
To remove inaccuracies caused by fluctuations in the applied magnetic field

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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

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