Why laser is used in the pipe alignment ?

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Why laser is used in the pipe alignment ? A. They are coherent B. They are directional in nature C. They are monochromatic D. None of the above Check Answer Complaint Here As Incorrect Question / Answer

Related Questions What is the contraction and expansion movement of the walls of food pipe called? A. Chemical breakdown B. Duodenum C. Jejunum D. Peristaltic movement Check Answer Complaint Here As Incorrect Question / Answer Who invented the LASER? A. Sir Frank Whittle B. Fred Morrisson C. Charles H Townes D. Seymour Cray Check Answer Complaint Here As Incorrect Question / Answer What was the active medium used in the first working laser ever constructed? A. A diamond block B. Helium-neon gas C. A ruby rod D. Carbon dioxide gas Check Answer Complaint Here As Incorrect Question / Answer Which one of the following uses 'Laser' technology to store large amount of information? A. Floppy disc B. Hard disc C. CD-ROM D. ED-ROMs Check Answer Complaint Here As Incorrect Question / Answer The first step to getting output from a laser is to excite an active medium. What is this process called? A. Pumping B. Exciting C. Priming D. Raising Check Answer Complaint Here As Incorrect Question / Answer

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