CMC Medical CMC-Medical Ludhiana Solved Paper-2007

  • question_answer
    Power of a lens is - 4D and for second lens, power is +2D; the total power for the couple is

    A)  -2 D                                      

    B)  6 D

    C)  -6 D                                      

    D)  -8 D

    Correct Answer: A

    Solution :

                    Total power \[P={{P}_{1}}+{{P}_{2}}\] \[P=-\,4D+2D\] \[P=-\,2D\]


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