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mikeyplus10
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Homework Statement
For my lab I beamed a laser through an equilateral triangular prism. The angle of incidence was 13 degrees. The light left the prism at an angle 15 degrees to the normal. How would I calculate the index of refraction of the prism? (air = 1)
Homework Equations
The equation I need to use is θ_c = sin^-1 (n2/n1)
Snell's law
The Attempt at a Solution
I have tried using snell's law to find the first refraction in the prism. 1.00*(sin13) = n_2*θ_2. I believe to find θ_2, I need to use the geometry of the triangle, but am not sure where to begin