What is the pencil of light?
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in optics of pencil or pencil of ray is a geometric construct use to describe a beam or portions of a beam of electromagnetic radiation or changes the particules or typically in the for. of narrow cone or cylinder.
Answered by
12
Answer:
in optics of pencil or pencil of ray is a geometric construct use to describe a beam or portions of a beam of electromagnetic radiation or changes the particules or typically in the for. of narrow cone or cylinder
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