Which of the following is NOT an accurate description of nuclear magnetic resonance (NMR)?
A)The energy difference between the two spin states depends on the strength of the external magnetic field.
B)The nuclei are in resonance with electromagnetic radiation when they absorb energy.
C)When a proton is aligned in the direction of an external magnetic field, its energy is lower than when it is aligned against the direction of an external magnetic field.
D)The high energy radiation needed for protons to flip the spin is in the ultraviolet domain of the electromagnetic spectrum.

Question

Quizplus · Accepted Answer

NMR involves radiofrequency radiation, not ultraviolet, to flip the spins of nuclei. Ultraviolet radiation is much higher in energy than the radiofrequency waves used in NMR.

Which of the Following Is NOT an Accurate Description of Nuclear