Question

10. The Braille is the most common non-optical aid used by visually challenged people.
9. Visually challenged persons use various aids or other senses. These can be categorized
two--non-optical aids and optical aids.
EXERCISES
A. Answer in Detail
1. Give the characteristics of the image formed by a plane mirror.
2. Differentiate between regular and diffused reflection. Give diagram.
3. Give short notes on:
(a) How we see things
(b) Working of the
eye
(c) Defects of vision
(d) Persistence of vision
(e) Aids used by visually challenged people
(f) Role of nutrition in proper eye care
eye.
4. With the help of a neat and well-labelled diagram, explain the structure of
5. Give a detailed description of the Braille system.
8. Answer Briefly
fine the following.
offertion​

Answer 1

Answer:

same size, laterally inverted, same distance from the mirror and the image,