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JEE Main & Advanced Physics Question Bank Human Eye and Lens Camera

  • question_answer
    A person suffering from 'presbyopia' (myopia and hyper metropia both defects) should use       [MP PET 2001]

    A)            A concave lens

    B)            A convex lens

    C)            A bifocal lens whose lower portion is convex

    D)            A bifocal lens whose upper portion is convex

    Correct Answer: A

    Solution :

               A bifocal lens consist of both convex or concave lenses with lower part is convex.


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