Question

A person standing at point Y is watching a car coming from a point X to O as shown.The table shows the variation in the parts of eye while seeing the car at X and O. 1. At the X focal length is higher than at O 2. At O focal length is higher than at X 3. At X cilliary muscle is thicker than at O 4. At O cilliary muscle is thicker than at X *​

Answer 1

Answer:

There is no diagram

Explanation:

Answer 2

Explanation:

The center of the image falls on the fovea, which has the greatest density of light receptors and the greatest acuity (sharpness) in the visual field. The variable opening (or pupil) of the eye along with chemical adaptation allows the eye to detect light intensities from the lowest observable to 1010 times greater (without damage). This is an incredible range of detection. Our eyes perform a vast number of functions, such as sense direction, movement, sophisticated colors, and distance. Processing of visual nerve impulses begins with interconnections in the retina and continues in the brain. The optic nerve conveys signals received by the eye to the brain.

The eye is perhaps the most interesting of all optical instruments. The eye is remarkable in how it forms images and in the richness of detail and color it can detect. However, our eyes commonly need some correction, to reach what is called “normal” vision, but should be called ideal rather than normal. Image formation by our eyes and common vision correction are easy to analyze with the optics discussed in Geometric Optics.

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