When the ciliary muscles are relaxed, then the focal length of the eye lens .

remains constant

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decreases

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increases then decreases

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increases

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Solution

The correct option is D increases
When ciliary muscles are relaxed, then the lens becomes thin i.e. the focal length of eye lens increases. The lens has the capacity to increase its focal length in order to view distant objects.

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Similar questions

When the ciliary muscles are relaxed, then the focal length of the eye lens ___.

Relaxation of the ciliary muscles causes the focal length of eye lens to:

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