A ray of light incident on a rectangular glass slab immersed in any medium emerges parallel to itself. It can be shown with the help of following ray diagram:

Question

A ray of light incident on a rectangular glass slab immersed in any medium emerges parallel to itself. Draw a labelled ray diagram to justify the statement.

Philoid · Accepted Answer

"A ray of light incident on a rectangular glass slab immersed in any medium emerges parallel to itself." Draw a labelled ray diagram to justify the statement.