power=1focal length in m
\text{power} = \frac{1}{\text{focal length in m}}
power=focal length in m1
[2]
Markscheme
5.1 Reflection, refraction and lenses (physics only) Questions
24 exam-style questions on Edexcel GCSE Physics 5.1 Reflection, refraction and lenses (physics only). Each one has a worked solution and a mark scheme showing where the marks go.