Rectilinear Propagation of Light
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Rectilinear Propagation of Light
It states that light propagates in straight lines in homogenous media.It is one of the fundamental laws of Geometrical Optics which states that:
To a first approximation, we can consider the propagation of light disregarding its wave nature and assuming that light propagates in straight lines called rays. This allows us to formulate the laws of optics in the language of geometry. Thus, the branch of optics where the wave nature of light is neglected is called geometrical (or ray) optics.
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