Key term for Edexcel GCSE Physics, used in Light, Lenses and Reflection.
The standard unit of lens power, represented by the symbol D, which is equivalent to inverse metres (m⁻¹).
Dioptres appears in Edexcel GCSE Physics revision content for Light and the electromagnetic spectrum, especially Light, Lenses and Reflection and Lens Power.
Create a free account to access Edexcel GCSE Physics revision notes, track progress, and practise related key terms.