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CBSE Class 10 Answered

What is the approximate focal length of the normal eye lens with a diameter of the eyeball 2.3cm
(i) when it focuses a faraway object?
(ii) when it focuses an object at 25cm?
Asked by Jerlin George | 11 Feb, 2016, 03:34: PM
answered-by-expert Expert Answer
(i) When the eye focuses a far away object, its focal length is approximately 2.5 cm
(ii) When the eye focuses an object at 25 cm, its focal length is approximately 2.3 cm
Answered by Yashvanti Jain | 12 Feb, 2016, 11:41: AM
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