Key term for OCR GCSE Physics B, used in Radioactivity.
The overall reduction in radioactive emission after a specific period of time, often expressed as a ratio or fraction.
Net decline appears in OCR GCSE Physics B revision content for Radioactive materials, especially Radioactivity and Radioactivity.
Create a free account to access OCR GCSE Physics B revision notes, track progress, and practise related key terms.
