How Much of a Fissionable Material Is Required to Have

question 34

Multiple Choice

How much of a fissionable material is required to have a self-sustaining reaction?

• A)A mass of the fissionable element that is three times its atomic weight is required.
• B)A mass of the fissionable element that is greater than the mass of the control rods.
• C)A supercritical mass of fissionable material is required and causes branching.
• D)A critical mass of fissionable material is required and varies depending on the identity of the fissionable material.

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