What is refraction of light? State the laws of refraction.
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Laws of refraction state that: The incident ray refracted ray, and the normal to the interface of two media at the point of incidence all lie on the same plane. The ratio of the sine of the angle of incidence to the sine of the angle of refraction is a constant. This is also known as Snell's law of refraction.
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refraction. A change of direction that light undergoes when it enters a medium with a different density from the one through which it has been traveling — for example, when, after moving through air, it passes through a prism. (Compare reflection.)
Laws of Refraction
The incident ray, reflected ray and the normal, to the interface of any two given mediums; all lie in the same plane.
The ratio of the sine of the angle of incidence and sine of the angle of refraction is constant.
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