Question

Draw a path of light ray passing through a prism. Lebel angle of incidence and angle of deviation in the ray diagram.  

Answer 1

PE - Incident ray

EF - Refracted ray 

FS - Emergent ray

<A - Angle of the prism

<i - Angle of incidence

 <r - Angle of refraction

 <e - Angle of emergence

 <D - Angle of deviation