Unpolarised light incident on a water surface

[EF17xx]

Homework Statement

Homework Equations

n1/n2 = (sinθ2)/(sinθ1) = v2/v1

The Attempt at a Solution

Moving from a lower refractive index to a higher refractive index. ( Lower density to higher density means faster speed to slower speed)

The answer is answer B, I don't understand why.

 

[kuruman]

https://en.wikipedia.org/wiki/Brewster's_angle