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प्रश्न
In human eye the part which allows light to enter into the eye is ______.
पर्याय
Retina
Pupil
Eye lens
Cornea
उत्तर
In human eye the part which allows light to enter into the eye is Pupil.
Explanation:
The pupil is the opening in the centre of the iris that allows light to flow through. The iris controls the quantity of light that enters the eye by adjusting the size of the pupil.
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संबंधित प्रश्न
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which detect colour?
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Fill in the following blank with suitable word:
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List, in order, the parts of the eye through which light passes to reach the retina.
Explain the functions of the following parts of the eye:
(i) cornea
(ii) iris
(iii) pupil
(iv) ciliary muscles
(v) eye-lens
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(a) diminished and virtual
(b) enlarged and real
(c) enlarged and erect
(d) real and inverted
(e) virtual and the same size
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(i) on the retina of the eye?
(ii) by a magnifying glass?
(iii) by a convex driving mirror on a car?
(iv) by a plane mirror?
(v) on the screen of a slide projector?
What is presbyopia? Write two causes of this defect. Name the type of lens which can be used to correct presbyopia.
A person got his eyes tested. The optician's prescription for the spectacles reads:
Left eye: − 3.00 D
Right eye: − 3.50 D
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(a) presbyopia
(b) myopia
(c) astigmatism
(d) hypermetropia
Write an Explanation.
Minimum distance of distinct vision
