Question
The light beam in Figure P35.57 strikes surface 2 at the critical angle. Determine the angle of incidence $\theta_{1}$.
Step 1
This means that the angle of refraction, $\theta_{2}$, is 90 degrees. We are also given that the index of refraction of medium 1, $n_{1}$, is 0.669 times the index of refraction of medium 2, $n_{2}$. Show more…
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