nuclear physics

What Are the Types of Ionizing Radiation?

There are three primary types of ionizing radiation: alpha particles, beta particles, and gamma rays. Alpha particles are heavy and can be stopped by a sheet of paper or skin. Beta particles are lighter and can penetrate skin but are stopped by aluminum. Gamma rays are highly penetrating and require dense materials like lead or concrete for shielding. Each type poses different levels of risk to biological systems, and toxicologists must consider these when assessing exposure.

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