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A light ray passes from diamond (n=2.42) to air. What is the critical angle?

Practice Questions

1 question
Q1
A light ray passes from diamond (n=2.42) to air. What is the critical angle?
  1. 24.4°
  2. 30.0°
  3. 36.9°
  4. 42.0°

Questions & Step-by-step Solutions

1 item
Q
Q: A light ray passes from diamond (n=2.42) to air. What is the critical angle?
Solution: Critical angle θc = sin⁻¹(1.00/2.42) ≈ 24.4°.
Steps: 0

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