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JEE Main & Advanced Physics Ray Optics Question Bank Refraction of Light at Plane Surfaces

  • question_answer
    A man standing in a swimming pool looks at a stone lying at the bottom. The depth of the swimming pool is h. At what distance from the surface of water is the image of the stone formed  (Line of vision is normal; Refractive index of water is n)                                                                                           [KCET 1994]

    A)            h / n                                         

    B)            n / h

    C)            h    

    D)            hn

    Correct Answer: A

    Solution :

               \[\mu =\frac{h}{{{h}'}}\] Þ \[{h}'=\frac{h}{n}\]


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