J & K CET Engineering J and K - CET Engineering Solved Paper-2014

  • question_answer
    Which of the following relation is called mirror equation?

    A)  \[u/v+f/u=1f\]    

    B)  \[1/v+1/u=1f\]

    C)  \[1/f+u=1/v\]     

    D)  \[uf+vf=uv\]

    Correct Answer: B

    Solution :

    Mirror equation can be represented as \[\frac{1}{v}+\frac{1}{u}=\frac{1}{f}\]


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