Gamma Ray
Gamma Ray
Gamma Ray (pronounced: /ˈɡæmə reɪ/) is a type of electromagnetic radiation that carries high energy. The term originates from the Greek letter gamma (γ), which is used in physics to denote this type of radiation.
Etymology
The term "Gamma Ray" was first used by the British physicist Paul Villard in 1900. It was later adopted by Ernest Rutherford, who named it after the third letter of the Greek alphabet, gamma (γ), following the convention of alpha and beta radiation, which he had previously discovered.
Definition
A Gamma Ray is a penetrating form of radiation that arises from the radioactive decay of atomic nuclei. It consists of the shortest wavelength electromagnetic waves and so imparts the highest photon energy. Gamma Rays are similar to X-rays.
Properties
Gamma Rays have the smallest wavelengths and the most energy of any other wave in the electromagnetic spectrum. They are produced by the hottest and most energetic objects in the universe, such as neutron stars and pulsars, supernova explosions, and regions around black holes.
Uses
In medicine, Gamma Rays are used in radiation therapy to treat certain types of cancer. A high energy gamma ray can destroy cancer cells without damaging the surrounding tissue. They are also used in medical imaging to detect abnormalities in the body.
Related Terms
External links
- Medical encyclopedia article on Gamma Ray
- Wikipedia's article - Gamma Ray
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