(a(i))[1]
Indicate the angle of reflection by placing a letter R on Fig. 7.1.
(a(ii))[1]
State the magnitude of the angle of reflection in Fig. 7.1.
(b(i))[2]
On Fig. 7.2, locate the image of O by extending the path of each ray.
(b(ii))[1]
Draw an arrow to show the image of O.
(c(i))[1]
The prism refracts the white light. State the name of the effect that produces a spectrum.
(c(ii))[2]
In the spectrum shown in Fig. 7.3, there are seven colours. List the seven colours in the order in which they appear between X and Z.