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The near point of every person is 25 cm....

The near point of every person is 25 cm.

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Explore conceptually related problems

Make a diagram to show how hypermetropia is corrected. The near point of a hypermetropic eye is 1 m. What is the power of the lens required to correct this defect? Assume that the near point of the normal eye is 25 cm.

The far point of a myopic person is 80 cm in front of the eye. What is the nature and power of the lens required to correct the problem?

Knowledge Check

  • A convex lens of focal length 12.5 cm is used as a simple microscope. When the image is formed at infinite, Magnification is _____ (Near point for the normal vision is 25 cm).

    A
    25
    B
    2.5
    C
    2
    D
    1

  • A convex lens of focal length 12.5 cm is used as a simple microscope. When the image is formed at infinite, Magnification is ....... (Near point for the normal vision is 25 cm).

    A
    2.5
    B
    `1.0`
    C
    2
    D
    25

  • Near point for a person having normal vision, D= …........

    A
    25 mm
    B
    25 cm
    C
    25 m
    D
    infinite

    • Similar Questions

    Explore conceptually related problems

    The near vision of an average person is 25 cm To view an object with an angular magnification of 10, what should be the power of the microspcope ?

    The near point of a far-sighted person is 50 cm. Can the person see clearly an object at a distance of: (i) 20 cm ( ii ) oo (infinity)

    The near point of a hypermetropic eye is 75 cm. What is the focal length of the lens required to see clearly an object placed at 25 cm from the eye (normal near point)?

    What is the near point of the human eye ?

    What is the far point and near point of the human eye with normal vision ?

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