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A norml eye is unable to see objects at ...

A norml eye is unable to see objects at a distance less than distance of distinct vision. If is because

A

the focal length of the eye-lense is equal to the distance of distinct vision

B

the distance between eye-lense and retina is equal to distance of distinct vision.

C

the eye-lens cannot decreases its focal length beyond a limit .

D

the eye-lense cannot decreases its distance from the retina beyond a limit.

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The correct Answer is:
C
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