Finding Brewster angle for air and glass

[ee1215]

Homework Statement

The graph:
http://i812.photobucket.com/albums/zz41/uofmx12/hw2graph.jpg
A) Find Brewster angle air to glass
B) Find Brewster angle glass to air

Homework Equations

$\theta$B=tan^-1 ( n2/n1)

The Attempt at a Solution

A) air to glass I will use the equation and n1=1 and n2=1.45?
B) glass to air, n1=1.45 and n2=1?

Is this correct?

 

[ehild]

Yes, it is correct.

ehild