Beyond what distance a normal eye can see objects clearly? [#713] | SPPMMC

Beyond what distance a normal eye can see objects clearly? [#713]

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Q1. Beyond what distance a normal eye can see objects clearly?
Q1. Beyond what distance a normal eye can see objects clearly?

(A) 20 cm
(A) 20 cm
(B) 30 cm
(B) 30 cm
(C) 25 cm
(C) 25 cm
(D) 35 cm
(D) 35 cm
Answer: (C) 25 cm
Answer: (C) 25 cm
For a clear vision, the image must be on the retina. The image distance is therefore fixed for clear vision and it equals the distance of retina from eye lens. It is about 25 cm for a grown up person. A person can theoretically have clear vision of an object situated at any large distance from the eye.
For a clear vision, the image must be on the retina. The image distance is therefore fixed for clear vision and it equals the distance of retina from eye lens. It is about 25 cm for a grown up person. A person can theoretically have clear vision of an object situated at any large distance from the eye.

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2024-03-03

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