Radioactive material
Radioactive material is a substance that emits radiation. The substances in radioactive material are unstable and break down, or decay, to form stable substances. This decay process releases radiation.
Types of Radioactive Material[edit | edit source]
There are three types of radioactive material: alpha particles, beta particles, and gamma rays.
Alpha Particles[edit | edit source]
Alpha particles are the least penetrating type of radiation. They can be stopped by a sheet of paper or a few inches of air. However, if alpha particles are ingested or inhaled, they can be harmful.
Beta Particles[edit | edit source]
Beta particles are more penetrating than alpha particles. They can pass through a few millimeters of aluminum. Like alpha particles, beta particles can be harmful if ingested or inhaled.
Gamma Rays[edit | edit source]
Gamma rays are the most penetrating type of radiation. They can pass through several centimeters of lead or several meters of concrete. Gamma rays are harmful if they are absorbed by the body.
Uses of Radioactive Material[edit | edit source]
Radioactive material has many uses. It is used in medicine, industry, and research. In medicine, it is used in radiation therapy to treat cancer. In industry, it is used to test materials for flaws. In research, it is used to study the properties of materials.
Safety Precautions[edit | edit source]
Handling radioactive material requires safety precautions. These include wearing protective clothing, using shielding, and following procedures to minimize exposure.
See Also[edit | edit source]
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