SELECT * FROM question_mgmt as q WHERE id=3774 AND status=1 SELECT id,question_no,question,chapter FROM question_mgmt as q WHERE courseId=9 AND subId=16 AND chapterId=262 and ex_no='2' AND status=1 ORDER BY CAST(question_no AS UNSIGNED) CBSE Free NCERT Solution of 10th science The Human Eye and the Colourful World the human eye can focus on objects at different di

Question:

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.

Answer:

(b) Accommodation

The human eye can focus on objects at different distances by adjusting the focal length of the eye lens due to the accommodation power of the eye, in which eye changes the focus power to make the clear image of the farthest or the nearest object.

 


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