Before Light Can Undergo Total Internal Reflection When Incident on Material

question 125

Multiple Choice

Before light can undergo total internal reflection when incident on material 1 from material 2, what must be true of the indices of refraction?

• A) n₁ = n₂
• B) Either n₁ or n₂ must be equal to 1.
• C) n₁ < n₂
• D) n₁ > n₂

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