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The human eye can focus on objects at di...

The human eye can focus on objects at different distances by adjusting the focal length of the eye lens. This is due to…

A

presbyopia.

B

accommodation.

C

near-sightedness.

D

far-sightedness.

Text Solution

Verified by Experts

The correct Answer is:
B

Accommodation is the ability of the eye lens to focus both nearby and distant objects by adjusting its focal length.
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Knowledge Check

  • Focal length of thin lens ......

    A
    decreases with increase in refractive index.
    B
    increases with increase in refractive index.
    C
    doesn.t change with refractive index.
    D
    none of these
  • The human eye forms the image of an object at its ...

    A
    cornea.
    B
    iris.
    C
    pupil.
    D
    retina.
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    A
    maximum
    B
    minimum
    C
    half of its minimum
    D
    half of its maximum
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