Question

what is rectilinear propagation of light?​

Answer 1

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The rectilinear propagation of light means that light travels in straight lines as a wave. ... In a pinhole camera, the light rays reflecting from the bottom of the object travel in a straight line through the pinhole to the film.

Answer 2

the property of light in which it always travels in a straight line is called as rectilinear propagation of light