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File:Alfa beta gamma radiation.png

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Types of Radiation:

Alpha Particles Alpha particles can be shielded by a sheet of paper or by human skin. However, if radionuclides that emit alpha particles are inhaled, ingested, or enter your body through a cut in your skin, they can be very harmful.

Beta Particles Beta particles cannot be stopped by a sheet of paper. Some beta particles can be stopped by human skin, but some need a thicker shield (like wood) to stop them. Just like alpha particles, beta particles can also cause serious damage to your health if they enter your body. For example, if ingested, some radionuclides that emit beta particles might be absorbed into your bones and cause damage.

Gamma and X-Rays Gamma rays are the most penetrating of the three types of radiation listed here. Gamma rays usually accompany beta, and some alpha rays. Gamma rays will penetrate paper, skin, wood, and other substances. To protect yourself from gamma rays, you need a shield at least as thick as a concrete wall. This type of radiation causes severe damage to your internal organs. (X-rays fall into this category, but they are less penetrating than gamma rays.)[1]

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current11:10, 26 June 2008Thumbnail for version as of 11:10, 26 June 2008454 × 600 (22 KB)Ashcraft
00:39, 10 June 2008Thumbnail for version as of 00:39, 10 June 2008485 × 600 (32 KB)JustinyoonTypes of Radiation

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