(a)[3]
Complete the sentences below about light. Light is part of a spectrum of radiation called the .......... spectrum. A glass prism separates white light into .......... colours. The colour of light that is refracted least is .......... .
(b(i))[1]
State which of A, B, C or D is the angle of incidence.
(b(ii))[1]
State which of A, B, C or D is the angle of reflection.