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Nuclear Energy
Gamma radiation also known as gamma rays (denoted as ) is electromagnetic radiation of high frequency (very short wavelength). They are produced by sub-atomic particle interactions in astrophysical process. 1. Gamma radiation is able to travel many meters in air and many centimeters in human tissue. It readily penetrates most materials and is sometimes called "penetrating radiation." 2. Radioactive materials that emit gamma radiation and X-rays constitute both an external and internal hazard to humans.
Gamma
Alpha decay is a type of radioactive decay in which an atomic nucleus emits an alpha particle, and thereby transforms (or 'decays') into an atom with a mass number 4 less and atomic number 2 less. 1. Alpha radiation cannot is not able to penetrate Skin 2. Alpha-emitting materials can be harmful to humans if the materials are inhaled, swallowed, or absorbed through open wounds 3. Alpha radiation travels a very short distance through air.
Alpha
Beta decay is a type of radioactive decay in which a beta particle (an electron or a positron) is emitted. 1. Beta radiation may travel meters in air and is moderately penetrating. 2. Beta radiation can penetrate human skin to the "germinal layer," where new skin cells are produced. If beta-emitting contaminants are allowed to remain on the skin for a prolonged period of time, they may cause skin injury. 3. Beta-emitting contaminants may be harmful if deposited internally
Beta
