Physics A-Level
Induced fission
What Induced fission means in Physics A-Level, as defined for AQA.
Definition of Induced fission
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Reference: AQA
Begins when a slow neutron is absorbed by a heavy nucleus such as uranium-235, forming an unstable uranium-236 nucleus that splits into two smaller nuclei plus two or three neutrons.
Topics that use Induced fission
- Induced fission (A-level only) (AQA A-Level)
Related terms
- Balance of neutron production and absorption
- Chain reactions
- Control rods
- Coolant
- Moderator
- Neutron absorption cross-section
- Neutron moderation and chain reactions
- Relationship between nuclear mass and energy transfer
Using Induced fission in the exam
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