The focal length of the eye lens increases wh | vedclass

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(D) The focal length of the eye lens is controlled by the ciliary muscles.When the ciliary muscles are relaxed,the suspensory ligaments become taut,wh

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are relaxed and lens becomes thinner.

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(D) The focal length of the eye lens is controlled by the ciliary muscles.When the ciliary muscles are relaxed,the suspensory ligaments become taut,which pulls the lens and makes it thinner.$A$ thinner lens has a greater radius of curvature,which results in an increased focal length,allowing the eye to focus on distant objects.Therefore,the focal length increases when the eye muscles are relaxed and the lens becomes thinner.

The focal length of the eye lens increases when eye muscles

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