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Question
Which one of the followings is not a refractive medium of the eye ?
Which one of the followings is not a refractive medium of the eye ?
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Solution
The correct option is B Pupil
When light rays pass from a medium of one density to a medium of a different density, they are bent. This principle is called refraction and is used to focus light on the retina in the eye. Before reaching the retina, light rays pass successively through the conjunctiva, cornea, aqueous fluid, lens and vitreous body. They are all refractive mediums present in the eye except the pupil, which does not refract the light rays.So, the answer is D.
When light rays pass from a medium of one density to a medium of a different density, they are bent. This principle is called refraction and is used to focus light on the retina in the eye. Before reaching the retina, light rays pass successively through the conjunctiva, cornea, aqueous fluid, lens and vitreous body. They are all refractive mediums present in the eye except the pupil, which does not refract the light rays.
So, the answer is D.
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