Physics · Light - Reflection and Refraction
According to the laws of refraction, when light travels from one transparent medium to another, which of the following is true?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The incident ray and the refracted ray are always perpendicular to each other regardless of the angle of incidence.
- 2The incident ray, the normal at the point of incidence and the refracted ray lie in three separate parallel planes.
- 3The incident ray, the normal at the point of incidence and the reflected ray lie in mutually perpendicular planes.
- 4The incident ray, the refracted ray and the normal to the interface at the point of incidence, all lie in the same plane.✓
Correct answer
The incident ray, the refracted ray and the normal to the interface at the point of incidence, all lie in the same plane.
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