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प्रश्न
Name the following:
Two types of adaptations.
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उत्तर
Light and Dark Adaptations.
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संबंधित प्रश्न
What happens to the image distance in the eye when we increase the distance of an object from the eye?
Identify and explain concepts given in this diagram.

The 'eye muscles' are controlled by which cranial nerves?
The focal length of the eye lens increases when eye muscles ____________.
A student sitting on the last bench can read the letters written on the blackboard but is not able to read/the letters written in his textbook. Which of the following statements is correct?
In the blind spot of the human eye ______.
Adjusting the focal length of the eye lens to view objects at different distances is done by ______.
Define the following term:
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).
The figures (A) and (B) given below are showing some kind of adjustment. Study the figures and answer the questions that follow.
| A | ![]() |
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B |
- Identify the kinds of adjustments done in the figures (A) and (B).
- Distinguish between the adjustments of figures (A) and (B) on the basis of:
- The size of pupil.
- The pigment which gets regenerated.
- Cells of the retina.


