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butalik [34]
3 years ago
9

A ______ is one narrow beam of light traveling in a straight line.

Biology
2 answers:
Elina [12.6K]3 years ago
6 0

In optics a ray is an idealized model of light, obtained by choosing a line that is perpendicular to the wavefronts of the actual light, and that points in the direction of energy flow. Wikipedia


stepan [7]3 years ago
5 0
<span>A light ray is one narrow beam of light traveling in a straight line. </span>It is the most basic element in geometrical optics. <span>A light ray is an idealized and hypothetical model of a light that is used to better explain the propagation of light. In reality, light travels as a wave and can therefore be bent.</span>
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