If N₁ Is the Index of Refraction for the Incident

question 90

Multiple Choice

If n₁ is the index of refraction for the incident medium and n₂ is the index for the refracting medium, the critical angle will exist

• A)in all cases, it will just have different values.
• B)when n₁ < n₂.
• C)when n1 = n2.
• D)never.
• E)when n₁ > n₂.

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