Can you ever have a situation in which a light ray goes undeviated through a prism ?

Can you think of a specific optical set up with a trihedral prism (no other device)in which a light ray passes undeviated through theprism. Think and draw the ray diagram.

For a light ray passing through a given prism

For a light ray passing through a prism

A ray of light undergoes ……… on passing through a prism.