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प्रश्न
When light rays enter the eye, most of the refraction occurs at the
विकल्प
crystalline lens
outer surface of the cornea
iris
pupil
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उत्तर
outer surface of the cornea
Explanation -
When the light rays enter the eye through a thin membrane, it enters through the transparent bulge on the front surface of the eyeball, called the cornea. Most of the refraction for the light rays entering the eye occurs at this outer surface of the cornea.
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संबंधित प्रश्न
The least distance of distinct vision for a young adult with normal vision is about ______.
Why is a normal eye not able to see clearly the objects placed closer than 25 cm?
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Write the name.
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In the blind spot of the human eye ______.
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Adaptation
Differentiate between members of the following pair with reference to what is asked in the bracket.
Dark and light adaptation (pigments which will be regenerated).
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| A |  |
 |
B |
- Identify the kinds of adjustments done in the figures (A) and (B).
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- The size of pupil.
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