What is the critical angle for diamond (n = 2.42) in air?
A) 2.42°
B) 67.5°
C) 65.6°
D) 24.4°
E) 37.1°

Name: What is the critical angle for diamond (n = 2.42) in air? A) 2.42° B) 67.5° C) 65.6° D) 24.4° E) 37.1°
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Question

Quizplus · Accepted Answer

The critical angle can be calculated using the formula: critical angle = arcsin(1/n). For diamond, n = 2.42, so the critical angle is arcsin(1/2.42) ≈ 24.4°.

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