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प्रश्न
Give the reason for the following:
A person from bright sunlight outside enters a poorly lit room and feels blinded for a short while.
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उत्तर
- A person from the bright sunlight outside enters a poorly lit room and feels blinded for a short while due to dark adaptation.
- Dark adaptation includes regenerating rhodopsin, a pigment in rod cells that breaks down in strong light.
- The pupils dilate, allowing more light into the eyes.
- Adjustments can be time-consuming and may cause temporary blindness.
संबंधित प्रश्न
Why is a normal eye not able to see clearly the objects placed closer than 25 cm?
The change in focal length of an eye lens is caused by the action of the ______.
Write an Explanation.
Persistence of vision
The focal length of the eye lens increases when eye muscles ____________.
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
When light rays enter the eye, most of the refraction occurs at the
In the blind spot of the human eye ______.
In simple microscope ______ lens is used.
Define the following term:
Adaptation
Differentiate between members of the following pair with reference to what is asked in the bracket.
Near and distant accomodation (shape of lens).
