Why do we say that light travels in straight lines? Is it strictly accurate to say that

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Why do we say that light travels in straight lines? Is it strictly accurate to say that a laser beam provides a perfectly straight line for purposes of surveying? Explain.

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Conceptual Physics

ISBN: 978-0321568090

11th edition

Authors: Paul G. Hewitt

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Question Posted: Mar 25, 2016 06:40 AM

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Why do we say that light travels in straight lines? Is it strictly accurate to say that

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For distances used by surveyors a beam of light is ...View the full answer

Conceptual Physics

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