Question

Figure 2.20 (a)–(d) respectively correspond to

• A. the short-sighted eye, the correction of long-sight, the long-sighted eye and the correction of short-sight
• B. the short-sighted eye, the correction of short-sight, the long-sighted eye and the correction of long-sight
• C. the long-sighted eye, correction of short-sight, the short-sighted eye and the correction of long-sight
• D. none of these

Answer 1

The correct option is B

the short-sighted eye, the correction of short-sight, the long-sighted eye and the correction of long-sight

Correct Answer- B

1. The image is created in front of the retina in the short-sighted eye. It is an eye condition in which distant items appear blurry while close objects are plainly visible.
2. A concave lens with a proper focal length is used to correct it.
3. The image is created behind the retina in the long-sighted eye. It is an eye condition in which close items appear blurry while distant objects are plainly visible.
4. A convex lens with a proper focal length is used to correct it.

Hence, the correct option is B.