(a(i))[2]
On Fig. 7.1, draw the route taken by the green light as it enters and travels through the prism.
(a(ii))[1]
State, in terms of a wave property, what monochromatic light means.
(b(i))[1]
State the value of the speed of light in air.
(b(ii))[2]
Calculate the frequency of the green light.
(b(iii))[2]
Calculate the speed of the green light in glass.