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A person with a myopic eye cannot see ob...

A person with a myopic eye cannot see objects beyond `1.2 m` distinctly. What should be the type of corrective lens to restore proper vision ?

Text Solution

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The proper vision of a mypic eye can be restored by using concave lens of suitable power .
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A person with a myopic eye cannot see objects beyond 1.2 m distinctly. What should be the type of the corrective lens used to restore proper vision?

(a) Draw a diagram to show the formation of image of a distant object by a myopic eye. How can such an eye defect be remedied ? (b) State two reasons due to which this eye defect may be caused. ( c) A person with myopic eye cannot see objects beyond a distance of 1.5 m . What would be the power of the corrective lens used to restore proper vision ?

Knowledge Check

  • A person cannot see the object beyond 3 m distinctly. Find focal length of the lens required to correct this defect of vision.

    A
    25 cm
    B
    - 3 m
    C
    3 m
    D
    `infty`

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    A person with a myopic eye cannot see objects beyond a distance of 1.5 m from it. What would be the nature and power of the corrective lens used to restore proper vision?

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    A short-sighted person cannot see objects situated beyond 2m from him distinctly. What should be the power of the lens which he should use for seeing distant objects clearly?

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