When Light from Air Hits a Smooth Piece of Glass $\degree$

Multiple Choice

When light from air hits a smooth piece of glass (n = 1.5) with the ray perpendicular to the glass surface,which of the following will occur?

A) reflection and transmission with q₂ = 0 $\degree$
B) refraction with q₂ = 41.8 $\degree$
C) interference
D) All of the above will occur.