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liberstina [14]
3 years ago
5

A shield of material that reflects neutrons is placed around a radioactive sample.

Physics
2 answers:
Tanya [424]3 years ago
4 0
<h3><u>Answer;</u></h3>

A) A chain reaction will be sustained in a sub-critical mass

<h3><u>Explanation</u>;</h3>
  • Critical mass is the minimum or the smallest amount of a given fissile material necessary to achieve a self-sustaining fission chain reaction under stated conditions.
  • A subcritical mass is a mass of fissile material that does not have the ability to sustain a fission chain reaction.
nikitadnepr [17]3 years ago
3 0
The answer is A. just took the test
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