Question

NMR is the study of the absorption of __________ by nuclei in a magnetic field.

(a) Radioactive radiation

(b) IR radiation

(c) Radio frequency radiation

(d) Microwaves

This question was addressed to me in an international level competition.

The question is from Principle of Nuclear Magnetic Resonance Spectrometer in section Nuclear Magnetic Resonance Spectrometer of Analytical Instrumentation

Answer 1

The correct answer is (c) Radio frequency radiation

The explanation is: NMR is the study of absorption of radio frequency radiation by nuclei in a magnetic field. For a particular nucleus, an NMR absorption spectrum may consist of one to several groups of absorption lines.