Key term for OCR GCSE Physics A, used in Uses and hazards.
The number of radioactive decays detected per second by a measuring instrument, such as a Geiger-Müller tube.
Count rate appears in OCR GCSE Physics A revision content for Radioactivity, especially Uses and hazards and Hazards and half-life.
Radioactivity
Uses and hazards • Hazards and half-life
Radioactivity
Radioactive emissions • Penetration properties
Radioactivity
Radioactive emissions • Half-life calculations
Radioactivity
Radioactive emissions • Half-life concept
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