QWhat is the first law of refraction?

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• A The angle of incidence is equal to the angle of reflection. ✔ ✖
• B The incident ray, the reflected ray, and the normal to the reflecting surface all lie in the same plane. ✔ ✖
• C The ratio of the sine of the angle of incidence to the sine of the angle of refraction is constant. ✔ ✖
• D The refractive index of a medium is dependent on the wavelength of light. ✔ ✖

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