CET Karnataka Medical CET - Karnataka Medical Solved Paper-2007

  • question_answer
    The principle of LASER action involves

    A)  amplification of particular frequency emitted by the system

    B)  population inversion

    C)  stimulated emission

    D)  all of the above

    Correct Answer: D

    Solution :

    Laser action involves all the given phenomenon (i) Amplification of particular frequency (ii) Population inversion (iii) Stimulated emission


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