2. Solved Papers
  3. RAJASTHAN PMT

RAJASTHAN PMT Rajasthan - PMT Solved Paper-2006

  • question_answer
    In He-Ne laser the most favorable ratio of helium to neon for satisfactory laser action is :

    A)  1 : 4                                      

    B)         4 : 1                      

    C)         1 : 7                                      

    D)         7 : 1

    Correct Answer: D

    Solution :

    For satisfactory working of He-Ne laser, the ratio of helium to neon is\[7:1\].


You need to login to perform this action.
You will be redirected in 3 sec spinner