FT IR Spectroscopy
In scanning electron microscopy

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

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FT IR Spectroscopy
In FT-NMR, how are nuclei excited?

By an intense pressure
By radio-frequency radiation whose frequency is swept across a predetermined range
By an intense pulse of radiation which contains a wide range of frequencies
None of these

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