what is a beam of light?
how it formed ?
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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. ... Light from certain types of laser has the smallest possible beam divergence.
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A beam of light is defined as the ray of light passing from any source like electric bulb. The light rays start from each point of a source and travel along straight lines till they fall on an object in sort a bundle of light rays is called a beam of light.
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