Gamma ray (γ)

Definition

A gamma ray is a high-energy electromagnetic wave that is emitted from the nucleus of an atom during radioactive decay or nuclear reactions. It has the shortest wavelength and highest frequency in the electromagnetic spectrum.

Related terms

Excited state: When an electron absorbs energy, it moves to a higher energy level called the excited state.

Ground state: The ground state refers to the lowest energy level that an electron can occupy within an atom.

Electromagnetic spectrum: The range of all possible frequencies of electromagnetic radiation, including gamma rays, X-rays, visible light, and radio waves.