What is the deviation angle in optics?

[trivk96]

Homework Statement

I don't quite understand what deviation or the deviation angle is.

Homework Equations

??

The Attempt at a Solution

I have no idea what it is. Is it the angle that it enters the prism - the angle that it leaves the prism.

 

[berkeman]

Homework Statement

I don't quite understand what deviation or the deviation angle is.

Homework Equations

??

The Attempt at a Solution

I have no idea what it is. Is it the angle that it enters the prism - the angle that it leaves the prism.

I used the Search menu at the top right of the thread to do a custom Google search of the PF for Optics Deviation Angle. There were lots of hits, but this one has a very nice prism figure that should help:

https://www.physicsforums.com/showthread.php?t=323438

.