When Light Is Totally Polarized by Reflection at an Interface $\theta$

question 34

Multiple Choice

When light is totally polarized by reflection at an interface between two materials where the index of refraction for the incident medium is n₁ and for the other is n₂,the incident angle is given by $\theta$ = tan^-1(n₂/n₁) .This equation holds

• A) only when n₂ > n₁.
• B) only when n₁ > n₂.
• C) only when n₂ > n₁ + 1.
• D) only when n₂ < n₁ + 1.
• E) for all values of n₁ and n₂.

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