When Does Light Refract in Different Materials?

[rizzleras]

Homework Statement

In which of the following situations will light from a laser be refracted?
a. traveling from air into a diamond at an angle of 30° to the normal
b. traveling from water into ice along the normal
c. upon striking a metal surface
d. traveling form air into a glass of iced tea at an angle of 25° to the normal

Homework Equations

N/A

The Attempt at a Solution

I am a bit confused on how to approach this problem. However, I am leaning into choice A and D.

 

[malawi_glenn]

you should use snell's law, in the cases of a,b,d

 

[chaoseverlasting]

Youre right though, in your leanings.