Define beam of light?

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A light beam or beam of light is a directional projection of light energy radiating from a light source. Sunlight forms a light beam (a sunbeam) when filtered through media such as clouds, foliage, or windows.
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Educationist.

A bundle of rays propagated in a straight line is called beam of light.
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revival

Bundle of light rays..when many light collectively taken this termed as beam
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Science expert

A number of light rays parallel to each other travelling in a straight line is called a beam of light
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PM Classes

packets of energy (quanta) in a queue one behind other forms a beam of light
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THE ILLUSIONIST

A bundle of light rays travelling in a straight line parallel to each other in the same direction is termed as a beam of light.
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