N.M.R. Spectroscopy Theory Quiz

Theoretical Principles - Quiz

Question 1.
How many possible orientations do spin 1/2 nuclei have when they are located in an applied magnetic field?

Answer:

Question 2.
The frequency of precession, the transition frequency and the Larmor frequency are different terms for the same frequency.
True or false?

Answer:

Question 3.
When radiation energy is absorbed by a spin 1/2 nucleus in a magnetic field, what happens?

a) The precessional frequency of the nucleus increases
b) The nucleus spins faster
c) The angle of precession " flips " so that the magnetic moment of the nucleus opposes the applied field

Answer:

Question 4.
What is the name given to the relaxation process due to an interaction between an excited nucleus and the magnetic fields caused by nuclei in molecules moving around in the sample?

a) Spin - lattice relaxation
b) Spin - spin relaxation

Answer:

Your score:

N.M.R. Spectroscopy - Theoretical Principles

N.M.R. Spectroscopy - Theoretical Principles Quiz

N.M.R. Spectroscopy - Instrumentation

Biosciences Homepage