Key term for Edexcel GCSE Physics, used in Radiation Types.
The chemical change in photographic film that turns it black or opaque when it is exposed to ionising radiation.
darken appears in Edexcel GCSE Physics revision content for Radioactivity, especially Radiation Types and Measuring Radioactivity.
Create a free account to access Edexcel GCSE Physics revision notes, track progress, and practise related key terms.
