Science glossary film: Beta particles

Beta particles

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High-energy electrons emitted by nuclei during radioactive decay.

High-energy electrons emitted by nuclei during radioactive decay. Beta particles have more penetrating power than alpha particles, but have far less penetrating power than gamma rays. Beta particles can be used to test the thickness of materials such as paper. By monitoring the number of beta particles that pass through, the manufacturers can keep the thickness of the paper consistent throughout the whole roll.

Beta particles have more penetrating power than alpha particles, but have far less penetrating power than gamma rays. Beta particles can be used to test the thickness of materials such as paper. By monitoring the number of beta particles that pass through, the manufacturers can keep the thickness of the paper consistent throughout the whole roll.

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