For a normal eye, the cornea of eye provides a converging power 40 D and the least converging power of the eye lens behind the cornea is 20 D. Using this information, the distance between the retina and the cornea-eye lens can be estimated to be

Options

(a) 5 cm
(b) 2.5 cm
(c) 1.67 cm
(d) 1.5 cm

Correct Answer:

1.67 cm

Explanation:

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