Question

Study the following ray diagram :
In this diagram, the angle of incidence, the angle of emergence and the angle of deviation respectively have been represented by .

Answer 1

`AB` is incident ray, `BC` is reflected ray and `CD` is the emergent ray through the prism. By definition,
`/_p` represents the angle of incidence,
`/_y` represents the angle of emergence, and
`/_ z` represents the angle of deviation.