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

  • question_answer
    A person wears glasses of power ? 2.0 D. The defect of the eye and the far point of the person without the glasses will be                                                                                         [MP PMT 1999]

    A)            Nearsighted, 50 cm           

    B)            Farsighted, 50 cm

    C)            Nearsighted, 250 cm         

    D)            Astigmatism, 50 cm

    Correct Answer: A

    Solution :

                       The defect is myopia (nearsightness) As we know for myopic person f = ? (defected far point) Þ Defected far point = ? f = ?\[\frac{1}{P}=-\frac{1}{(\,-2)}=0.5\,m\] = 50 cm


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