Physics · Light and Optics
A ray of light passes from medium X to another medium Y. If no refraction occurs, then the angle between the incident light ray and the surface boundary of medium Y must be:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 10°
- 245°
- 390°✓
- 4120°
Correct answer
90°
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