Physics 5054 · O Level · Thin lenses

Thin lenses — practice question

Fig. 5.1 presents part of the ray diagram for a lens acting as a magnifying glass. Three rays travel from the top of object O. The points marked F are one focal length away from the lens. Fig. 5.1 shows a converging lens, and the rays are labelled R.
(a)[1]

State the type of lens shown in Fig. 5.1.

(b)[2]

Describe what happens to the ray of light R: • when it enters the lens • when it leaves the lens.

(c)[2]

Using all three rays from O, complete Fig. 5.1 so that the image formed is shown.

(d)[1]

Underline every word in the list that describes the image formed in (c). inverted upright real virtual

Worked solution & mark scheme

This 6-mark question has a full step-by-step worked solution and mark scheme. One marking point: Converging lens or convex lens

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