• Support PF! Buy your school textbooks, materials and every day products Here!

Light Refraction

  • Thread starter bfr
  • Start date
  • #1
bfr
52
0

Homework Statement



A ray of light strikes a piece of glass (n=refraction index=1.5), making an angle of 30 degrees with the surface. What angle does the refracted ray make with the surface?

Homework Equations



Snell's Law: n1*sin(theta1)=n2*sin(theta2)

The Attempt at a Solution



We're only given one n...how do I do this?
 
Last edited:

Answers and Replies

  • #2
32
0
Is the question assuming that it's coming from air?
 
  • #3
tiny-tim
Science Advisor
Homework Helper
25,832
249
We're only given one n...how do I do this?
Hi bfr! :smile:

easy-peasy … you can assume that, for air (it is air, isnt it? :rolleyes:), n = 1. :smile:
 
  • #4
bfr
52
0
OK, I didn't know we're just supposed to assume that n=1, thanks.
 

Related Threads for: Light Refraction

  • Last Post
Replies
1
Views
3K
  • Last Post
Replies
1
Views
900
  • Last Post
Replies
1
Views
1K
  • Last Post
Replies
1
Views
2K
  • Last Post
Replies
6
Views
3K
  • Last Post
Replies
1
Views
1K
  • Last Post
Replies
2
Views
1K
  • Last Post
Replies
2
Views
2K
Top