Range of vision of a normal human eye is from:

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100 m to 25 cm

1 km to 25 cm

Infinity to 25 m

Infinity to 25 cm

answer is D.

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Detailed Solution

Concept- Amazing optical device in humans is the eye. The ability to view the world comes from the human eye's response to light. Light travels through the cornea to generate a picture in our eyes as the first stage in the process. The iris regulates how much light is permitted to enter the eye through the pupil, which lets light into the eye. The light then travels through the lens of the eye before striking the retina. The retina of the human eye is where the picture is created, and it is inverted. Our brain sends electrical impulses from the retina to the brain to rectify the inverted image.
1- Range of vision means - the nearer and farthest distance seen by our eye is the range of vision of a normal human eye.
2- The image of nearer distance object and farthest distance object must be formed on the retina .
3- For a normal human eye ,the range of vision or we can say the nearer and farther distance point is infinity to 25 cm
Hence, the correct option is 4.

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