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The angle of incidence is always equal to angle of reflection. When a ray of light passes from one medium into another, it refracts depending on the comparative indexes of refraction of the first and second mediums. Wavelength of visible light is 400 nm to 750 nm speed of light in vacuum is highest speed attainable in nature 3. Dec 24, 2019 class 12 physics ray optics get here the notes for class 12 physics ray optics. In the field of optics, newton the experimenter, was greater than newton the theorist. If we restrict the analysis to paraxial rays only, then.
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