what is the RANGE of focal lenght of eye lens in an adult?
Answers
Answered by
3
Answer:
approximately 2 cm.
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.
Answered by
0
Answer:
the focal length is 18.5mm
Similar questions