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प्रश्न
Differentiate between members of the following pair with reference to what is asked in the bracket.
Near and distant accomodation (shape of lens).
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उत्तर
| Near accomodation | Distant accomodation |
| Near vision lenses tend to be more convex or rounded. | For distant objects, the lens is flattened and narrower. |
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संबंधित प्रश्न
The least distance of distinct vision for a young adult with normal vision is about ______.
Write the name.
The persons which are unable to distinguish between different colours
Having two eyes facilitates in
A: Increasing the field of view
B: Bringing three-dimensional view
C: Developing the concept of distance/size
Then the correct option is/are
The ability of the eye lens to adjust its focal length to form a sharp image of the object at varying distances on the retina is called:
The danger signals installed at the top of tall buildings are red in colour. These can be easily seen from a distance because among all other colours, the red light
How are we able to see nearby and also the distant objects clearly?
In the blind spot of the human eye ______.
In simple microscope ______ lens is used.
Adjusting the focal length of the eye lens to view objects at different distances is done by ______.
The figures (A) and (B) given below are showing some kind of adjustment. Study the figures and answer the questions that follow.
| A |  |
 |
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.
