2. Solved Papers
  3. CET Karnataka Medical

CET Karnataka Medical CET - Karnataka Medical Solved Paper-2012

  • question_answer
    In a Ruby laser, the colour of laser light is due to ............ atom.

    A)  Oxygen         

    B)  Aluminium

    C)  Xenon        

    D)  chromium

    Correct Answer: D

    Solution :

    : In a Ruby laser, the colour of laser light is due to chromium atom.


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