When radiation energy is absorbed by a spin 1/2 nucleus in a magnetic field, what happens?
A. The processional 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
D. none of the above
Answer:C
When radiation energy is absorbed by a spin 1/2 nucleus in a magnetic field, what happens?
A. The processional 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 D. none of the above