We'll use Snel's law in this problem.
Snell's law is used to describe the relationship between the incident angle, refracted angle, and refractive indices of two media.
, where n1 and n2 are refractive indices of medium 1 and medium 2. θ1 and θ2 are the incident and refractive angles, respectively.
Rearranging Snell's law gives:
Parallel light rays cross interfaces from medium 1 into medium 2 and then into medium 3 as shown in(Figure 1).
Part A. What can we say about the relative sizes of the indices of refraction of these media?
a. n3 > n2 > n1.
b. n2 > n1 > n3.
c. n2 > n3 > n1.
d. n1 > n2 > n3.
e. n1 > n3 > n2.
f. None of the above.
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