Question

The motion of light in a straight line path is called the ___________of light.​

Answer 1

Answer:

geometric optics

Explanation:

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Answer 2

Answer:

parallel

Explanation:

Even when passing through a material, or bouncing off of a material in a reflection, the light continues to travel in a straight line, even if that line has changed direction. The movement of light, as a ray, can be shown with simple geometry and trigonometry. This is called geometric optics.