Question

focal length of an eyelens is....
फोकल लेंथ ऑफ एंड आयरन शीट ​

Answer 1

Answer:

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Answer 2

Answer:

The focal length of a normal eye lens is about 2 cm because distance between eye lens and retina is approximately 2 cm. So, when parallel rays are coming they form image at focus and to make image at retina focal length should be about 2 cm.

Explanation:

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