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प्रश्न
The least distance of distinct vision for a young adult with normal vision is about ______.
पर्याय
25 m
2.5 cm
25 cm
2.5 m
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उत्तर
The least distance of distinct vision for a young adult with normal vision is about 25 cm.
Explanation:
The least distance for distant vision for a young adult with normal vision is 25 cm.
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संबंधित प्रश्न
Why is a normal eye not able to see clearly the objects placed closer than 25 cm?
What happens to the image distance in the eye when we increase the distance of an object from the eye?
The change in focal length of an eye lens is caused by the action of the ______.
Write the name.
The sensation on the retina persists for a while is
Write the name.
The persons which are unable to distinguish between different colours
Identify and explain concepts given in this diagram.
The 'eye muscles' are controlled by which cranial nerves?
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
Near and far points of a young person normal eye respectively 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 least distance of distinct vision for a normal eye is ____________.
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?
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 ______.
Give the reason for the following:
A person from bright sunlight outside enters a poorly lit room and feels blinded for a short while.
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.
