Physics 0625 · IGCSE · Light

Light — practice question

Fig. 8.1 presents a partly completed ray diagram for a converging lens that is producing an image of object O.
(a(i))[1]

State the name given to line XY.

(a(ii))[1]

On Fig. 8.1, show where one principal focus of the lens is. Label the principal focus, F.

(b(i))[2]

On Fig. 8.1, draw a ray of light from the top of the object that goes through the lens to produce the image. Use a ruler.

(b(ii))[1]

On Fig. 8.1, show the image produced by the lens. Label it I.

(b(iii))[2]

From the box, select the words that describe the image made by the lens in Fig. 8.1. Words in the box: diminished, enlarged, horizontal, inverted, same size, upright. Put a ring around each correct word.

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This 7-mark question has a full step-by-step worked solution and mark scheme. One marking point: Shown as (principal) axis (ignore X-axis)

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