CEE Kerala Engineering CEE Kerala Engineering Solved Paper-2004

  • question_answer
    The focal length\[(f)\]of a spherical (concave or convex) mirror of radius of curvature R is:

    A)  \[\frac{R}{2}\]                 

    B)         \[R\]

    C)  \[\left( \frac{3}{2} \right)R\]     

    D)         \[2R\]

    E)  \[\frac{R}{4}\]

    Correct Answer: A

    Solution :

    \[f=\frac{3}{2}\]


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