(a(i))[1]
State the name of the dashed line shown in Fig. 8.1.
(a(ii))[1]
State the letter, a, b, c, d, e or f, that shows the angle of incidence of the ray in Fig. 8.1.
(a(iii))[1]
State the letter, a, b, c, d, e or f, that shows the angle of refraction of the ray in Fig. 8.1.
(b(i))[2]
Extend the two rays in Fig. 8.2 to show the way the lens produces an image of the object.
(b(ii))[1]
On Fig. 8.2, draw an arrow to show the image.
(b(iii))[2]
Tick (✓) the two rows that show the nature of the image formed by the lens in Fig. 8.2.