(a(i))[3]
On Fig. 7.1, draw two rays to find the position of the object. Draw the object and label it O.
(a(ii))[2]
Ring every distance below that is equal to the focal length of the lens. AB, AC, CB, 2AB.
(b(i))[1]
On Fig. 7.2, draw the path taken by the red light inside the triangular glass block.
(b(ii))[1]
On Fig. 7.3, draw the path taken by the red light inside the rectangular glass block.
(b(iii))[1]
On Fig. 7.3, draw the path of the red light after it leaves the rectangular glass block.