(a(i))[1]
On Fig. 6.1: 1. Extend the ray of light from the golfer to the upper mirror of the periscope. 2. Add and label the normal where the ray meets the mirror.
(a(ii))[1]
On Fig. 6.1, carry the ray onward after reflection at the upper mirror until it emerges from the periscope.
(a(iii))[1]
State the law of reflection used to work out the direction of the light ray after it strikes the mirrors.
(b)[3]
Using the details in Table 6.1, draw on Fig. 6.2 to finish the route taken by each ray of red light.