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Fresnel, also known as Fresnel's law, is a fundamental principle in optics that describes how light behaves when it encounters an obstacle. It relates to the intensity of light passing through an object or surface and the angle of incidence.
In simple terms, it states that if a light wave enters an object with a certain angle of incidence (the angle at which the light ray intersects the surface), then the reflected wave will have twice as much energy as the original incident wave. This phenomenon is
fresnel