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    Properties of laser beam

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    What properties of a laser beam are used in:

    (a)holography-
    (b)punching holes in baby bottle
    (c)monitoring location of the crater of a dormant volcano by interferometry-
    (d)laying straight railroad tracks-

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    https://brainmass.com/physics/power/properties-laser-beam-56707

    Solution Preview

    Laser beams are highly monochromatic (narrow wavelength band), directional, intense, coherent (meaning all the photons or waves have a constant phase relationship between them). These all make them highly desirable over all other light sources in various situations.

    (a) Holography: Coherent Nature. Holographic recording makes use of the principle of interference of light. This property requires, above ...

    Solution Summary

    Properties of laser beam are determined. Monitoring locations of the crater of a dormant volcano by interferometry are determined.

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