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  3. BCECE Medical

BCECE Medical BCECE Medical Solved Papers-2014

  • question_answer
    A plano-convex lens has a curved surface of radius of curvature R and refractive index \[\mu \]. If  its plane surface is silvered, then, it behaves as a

    A)  convex lens        

    B)  convex mirror

    C)  concave lens       

    D)  concave mirror

    Correct Answer: D

    Solution :

    It behaves as concave mirror of focal length \[f=\frac{R}{2\,(\mu -1)}\]


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