JEE Main & Advanced Physics Ray Optics Question Bank Refraction at Curved Surface

  • question_answer
    If the central portion of a convex lens is wrapped in black paper as shown in the figure  [Manipal MEE 1995; KCET 2001]   

    A)            No image will be formed by the remaining portion of the lens

    B)            The full image will be formed but it will be less bright

    C)            The central portion of the image will be missing

    D)            There will be two images each produced by one of the exposed portions of the lens

    Correct Answer: B

    Solution :

               Since aperture of lens reduces so brightness will reduce but their will be no effect on size of image.


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