ocr: LASER LIGHT - - 2a - - - - FC - - - - - COHERENT LIGHT ORDINARY LIGHT Thel light waves in a laser beam are - l coherent. This means that the light waves are in step (their peaks and troughs line up), and have the same trequency. By contrast, ordinary light is completely random. Coherent laser light will remain in a parallel beam over long distances, - and can be of greatintensity.
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