The critical angle for total internal reflection depends on the pair of media in contact. For which of the following pairs of media will the critical angle be the smallest? (Refractive indices: Water = 1.33, Glass = 1.50, Diamond = 2.42, Air = 1.00)

Options:

• A: Diamond to Air
• B: Glass to Water
• C: Diamond to Water
• D: Glass to Air

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