draw a ray diagram to show the refraction of light through a glass prism .On this diagram plz mark :
a)incident ray
b)emergent ray,
c)angle of deviation
line AB = Incident ray
Line BC = Refracted ray
Line CD = Emergent ray
Angle i = Angle of incidence
Angle r = Angle of refraction
Angle e = Angle of emergence
Angle= Angle of deviation