A) convex lens
B) bifocal lens
C) concave lens
D) cylindrical lens
Correct Answer: A
Solution :
The diameter of the eye ball is approximately 2.3 cm. Images are formed on the retina of the normal eye, which is approximately 2.3 cm behind the pupil. The formation of an image 3 cm away from the pupil of the eye indicates that the light rays are focused behind the retina. For proper visibility, the light rays must focus on the retina. |
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