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The change in focal length of an eye lens, to focus the image of objects at varying distances, is done by the action of (a) pupil (b) iris (c) retina (d) ciliary muscles

The change in focal length of an eye lens, to focus the image of objects at varying distances, is done by the action of
(a) pupil
(b) iris
(c) retina
(d) ciliary muscles

Grade:12th pass

1 Answers

Pawan Prajapati
askIITians Faculty 7235 Points
17 days ago
(d)

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