Question: Imagine you are using total internal reflection to make an efficient corner reflector. The angle of incidence is $\backslash$theta and there is air with an index of refraction equal to $1\mathrm{.}00$outside the corner reflector.

Imagine you are using total internal reflection to make an efficient corner reflector. The angle of incidence is $\backslash$theta and there is air with an index of refraction equal to $1\mathrm{.}00$outside the corner reflector.