Contraction of the ciliary muscles ____ the focal length of the eye lens.

Increases

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Decreases

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Does not change

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None of these

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Solution

The correct option is B Decreases
An eye can focus the image of distant objects as well as nearby objects on its retina by changing its focal length. The contraction of the ciliary muscles decreases the focal length and relaxation of these ciliary muscles increases the focal length of the eye lens.

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Similar questions

The change in focal length of an eye lens is caused by the action of the

(a) pupil

(b) retina

(d) iris

Ciliary muscles are responsible for changing the focal length of the eye lens according to the distance of the object.

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