Question:
According to laws of refraction, which of the following lie in the same plane?
According to laws of refraction, which of the following lie in the same plane?
Updated On: Apr 5, 2025
- Incident and refracted rays
- Incident ray, refracted ray and normal
- Incident ray and normal only
- Refracted ray and normal only
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The Correct Option is B
Solution and Explanation
According to the second law of refraction (also known as the second law of Snell), the following statement holds true:
The incident ray, the refracted ray, and the normal to the interface at the point of incidence all lie in the same plane.
This law ensures that when light travels from one medium to another (like from air to water or air to glass), its direction changes in such a way that these three — incident ray, refracted ray, and the normal — always stay in the same geometric plane.
Answer: Incident ray, refracted ray and normal
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