(a)[2]
Explain what is meant by the terms principal focus and focal length. principal focus focal length
(b)[4]
Use Fig. 6.1 to draw the magnified image of AB. Show your working.
Physics 0625 · IGCSE · Light
Explain what is meant by the terms principal focus and focal length. principal focus focal length
Use Fig. 6.1 to draw the magnified image of AB. Show your working.
This 6-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Rays that are parallel converge after they pass through the lens” …