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

Q.1.    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.

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It is due to the accommodation of the eye. The human eye can adjust its focal length according to the different distances.

Therefore, the option $(b)$ is correct.

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