Why can you not see an object clearly if it is placed very close to your eye?

  • A
    The eye lens cannot adjust its focal length to focus the image on the retina.
  • B
    The light rays from the object do not enter the eye.
  • C
    The object is too small to be seen.
  • D
    The eye lens becomes opaque.

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Similar Questions

$(a)$ How does refraction take place in the atmosphere? Why do stars twinkle but not the planets?
$(b)$ State any two effects of atmospheric refraction on the sun as observed from the Earth.

Study the diagram and answer the questions that follow:
$(i)$ Identify the defect of vision represented by this diagram.
$(ii)$ List the two possible causes of this defect.
$(iii)$ With the help of a ray diagram,explain how this defect can be corrected.

Draw a neat labelled diagram of the structure of the human eye and mention the functions of any four parts.

$A$ bifocal lens consists of both concave and convex lenses. Bifocal lenses are required by a person suffering from $.............$.
$P$ - Myopia (nearsightedness)
$Q$ - Hypermetropia (farsightedness)
$R$ - Presbyopia

Presbyopia is a type of far-sightedness.

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