FT IR Spectroscopy
When radiation energy is absorbed by a spin 1/2 nucleus in a magnetic field, what happens?

The angle of precession flips so that the magnetic moment of the nucleus opposes the applied field
The processional frequency of the nucleus increases
The nucleus spins faster
None of these

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FT IR Spectroscopy
In scanning electron microscopy

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

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