Laser Beams Are Used To Measure Long Distances Because

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Yvonne 4 Years Ago

1 Answers

  • The correct answer is

    D) they have high degree of parallelism

    Explanation-

    The laser beams are perfectly parallel. so that they are very narrow and can travel a long distance without spreading. This is the feature of laser while they are monochromatic and coherent these are characteristics only.  

    4 Years Ago

    asked Oct 24 12:00:00 AM

    Sangeeta

    Q: 22 A: 1924

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