Radio-frequency spectroscopy | physics | Britannica (original) (raw)

Learn about this topic in these articles:

major reference

• 
  In spectroscopy: Radio-frequency spectroscopy
  The energy states of atoms, ions, molecules, and other particles are determined primarily by the mutual attraction of the electrons
  Read More

use in medicine

• 
  In spectroscopy
  Radio-frequency spectroscopy of nuclei in a magnetic field has been employed in a medical technique called magnetic resonance imaging (MRI) to visualize the internal soft tissue of the body with unprecedented resolution. Microwave spectroscopy was used to discover the so-called
  Read More