Physics · Light - Reflection and Refraction
Which of the following statements correctly describes the first law of refraction when light passes from one transparent medium to another?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The incident ray, the refracted ray, and the normal all lie in the same plane at the point of incidence.✓
- 2Only the incident and refracted rays lie in the same plane, excluding the normal.
- 3They all travel in different directions randomly.
- 4The normal is always at a 90° angle to the refracted ray.
Correct answer
The incident ray, the refracted ray, and the normal all lie in the same plane at the point of incidence.
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