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Physics
Key terms
Controlled chain reaction

GCSE Physics · key term

Controlled chain reaction

Definition

A chain reaction maintained at a steady rate: on average, one neutron from each fission causes another fission.

Used by Edexcel

How each exam board covers it

Edexcel GCSE Physics · 1PH0

Specification 6.39P · Paper 1

Revise: Chain Reaction Principle

Edexcel Physics past papers

Related key terms

Nuclear chain reaction
Nuclear fission

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Controlled chain reaction — Edexcel GCSE Physics Definition | GradeGen