Is refractive index only for light?
GeneralClass 12AllAnswered 27 Mar 2026
Answer
While most commonly applied to light (visible electromagnetic radiation), refractive index principles apply to all electromagnetic waves, including:
- Radio waves
- Microwaves
- Infrared radiation
- Ultraviolet radiation
- X-rays (though they behave differently)
The concept can even extend to other wave phenomena like sound waves in some contexts, though the term "refractive index" is predominantly used for electromagnetic radiation.
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