📅 NSB MS 2007🎓 MS🔄 Round 17#️⃣ Question 9🌟 BONUS✍️ Short Answer
Which one of the following 5 materials has the smallest critical angle causing light entering it to be more likely to undergo total internal reflection: pure water; a near perfect vacuum; diamond; Lucite; 100% ethanol
✔️Answer:DIAMOND
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