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What is an effective barrier to protect someone from each of the three major nuclear decay product?
Wiki User
∙ 9y ago
- Alpha, a single sheet of paper or healthy unbroken skin totally blocks
- Beta, a thin sheet of any metal totally blocks
- Gamma, cannot be blocked only attenuated by very thick layers of dense metals like lead
The biggest danger with alpha is caused by internal radioactive decay due to ingestion or inhalation of the source material.
If the source strength of a gamma emitter is doubled then the thickness of the shield must also be doubled to keep your exposure dose rate constant. Total dose received is the product of exposure time and dose rate.
Wiki User
∙ 9y ago
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