Physics · Ray Optics and Refraction
The exit surface of a prism with refractive index n is coated with a material having refractive index n2. When this prism is set for the minimum angle of deviation, the light ray at the exit face just meets the condition for the critical angle. What is the prism angle (A)?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 145°
- 230°✓
- 315°
- 460°
Correct answer
30°
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