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प्रश्न
What is the nature of the image that forms on the retina?
उत्तर
Real, inverted and small in size
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संबंधित प्रश्न
Myopia is an example of ______.
Night birds have ______ cones than rods in their eyes.
Where does the greatest degree of refraction of light occur in the eye?
What do the ciliary muscles do when you are focusing on a nearby object?
There are two types of light-sensitive cells in the human eye:
To what is each type of cell sensitive?
When is a person said to have developed cataract in his eye? How is the vision of a person having cataract restored?
Fill in the following blank with suitable word:
Having two eyes enables us to judge.................more accurately.
Having two eyes gives a person:
(a) deeper field of view
(b) coloured field of view
(c) rear field of view
(d) wider field of view
Define the following:
Blind spot
Choose the correct answer.
In the chemistry of vision, the photosensitive substance is _________________
State the Location of:
Lacrimal gland
State the Function:
Choroid coat in the eye
When light rays enter the eye, most of the refraction occurs at the ____________.
A person cannot see distinctly objects kept beyond 2 m. This defect can be corrected by using a lens of power
At noon the sun appears white as
We cannot distinguish colours in dim light. Explain giving suitable reasons.
Match the following
| 1. | Conjunctiva | a. | Coloured part of eye |
| 2. | Cornea | b. | Photosensitive layer |
| 3. | Iris | c. | Refraction |
| 4. | Retina | d. | Protection |
Match the following:
| Column - I | Column - II | ||
| 1 | Retina | a | Path way of light |
| 2 | Pupil | b | Far point comes closer |
| 3 | Ciliary muscles | c | near point moves away |
| 4 | Myopia | d | Screen of the eye |
| 5 | Hypermetropoia | e | Power of accomodation |
Which of the following is responsible for the adjustment of the size of pupil?
With reference to human eye answer the question that follow:
Name the part of the eye associated with the layer providing nourishment to the eye.
