a unit vector normal to the boundary of the medium and directed towards the incident medium.

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A unit vector along the incident ray of light is i. The unit vector for the corresponding refracted ray of light is r . n, a unit vector normal to the boundary of the medium and directed towards the incident medium.
17
Sep
A unit vector along the incident ray of light is i. The unit vector for the corresponding refracted ray of light is r . n, a unit vector normal to the boundary of the medium and directed towards the incident medium. A unit vector along the incident ray of light is i. The unit vector [...]
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