find the focal length of eye lens if the object is placing at 1m distance and 200cm far distance and what you observe
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Explanation:
the focal length equation is written as:
1/o + 1/i = 1/f
where o refers to the distance from the object to the lens, i refers to the distance from the lens to the image and f is the focal length.
The distances are measured from the object or the image to the pole of the lens.
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