A beam of light always spreads out. Why can a beam not be created with parallel rays

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A beam of light always spreads out. Why can a beam not be created with parallel rays to prevent spreading? Why can lenses, mirrors, or apertures not be used to correct the spreading?

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College Physics

ISBN: 9781711470832

2nd Edition

Authors: OpenStax

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Question Posted: Dec 03, 2023 04:11 AM

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A beam of light always spreads out. Why can a beam not be created with parallel rays

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A beam of light naturally spreads out due to a phenomenon known as diffraction where light waves ben...View the full answer

College Physics

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