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Different objects at different distances are seen by the eye. The parameter that remains constant is  
  • a)
    the focal length of the eye lens
  • b)
    the object distance from the eye lens
  • c)
    the radii of curvature of the eye lens
  • d)
    the image distance from the eye lens
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
Different objects at different distances are seen by the eye. The para...
The distance of the image from the eye lens is always fixed. For an object distance of infinity, the focal length of the eye is equal to the fixed distance between. The cornea and the lens work together to focus images on the retina, which is at a fixed distance always.
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Different objects at different distances are seen by the eye. The parameter that remains constant isa)the focal length of the eye lensb)the object distance from the eye lensc)the radii of curvature of the eye lensd)the image distance from the eye lensCorrect answer is option 'D'. Can you explain this answer?
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