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Human Eye

When the eye ...

Question

When the eye is focused on an object very far away, the focal length of the eye-lens is

A

maximum

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B

minimum

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C

half its minimum focal length

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D

half its maximum focal length

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Solution

The correct option is A maximum
When the eye is focused on an object very far away, the ciliary muscles are relaxed and the eye lens becomes thin.

Consequently, focal length increases, and we can see the distant object.

Therefore, focal length is maximum for object at very far away.

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