(a(i))[1]
As the ray enters the block, it bends. State the name given to this bending.
(a(ii))[2]
On Fig. 5.2, finish drawing the path taken by the red light ray.
(b(i))[1]
The observer sees the car's headlights reflected in one of the shop windows. Which shop window shows the reflection? Show your answer by drawing, on Fig. 5.3, the route of a ray of light from a headlight to the observer. Use a ruler.
(b(ii))[1]
State the law you used to answer (b)(i).
(b(iii))[2]
Label Fig. 5.3 to show how the law given in (b)(ii) applies.