(a)[1]
On Fig. 3.1, draw on the normal at A.
(b)[1]
Measure the incidence angle $i$ at A.
(c)[1]
On Fig. 3.1 draw one possible path of the ray from A to B. (No measurements have to be taken or worked out).
Physics 5054 · O Level · Refraction of light
Refraction of light — practice question
A student uses a ray box to study how light travels through the transparent plastic block in Fig. 3.1.