Physics 0625 · IGCSE · Light

Light — practice question

Fig. 6.1 illustrates a thin converging lens that is used to form a magnified image of an object AB.
(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.

Worked solution & mark scheme

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

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