Assignment C
1. Which part of the eye controls the amount of the light entering the eye?
2. Which liquid fills the space behind the cornea?
3. Why is blind spot so called?
4. What is meant by the accommodation of the eye?
5. What is the least distance of distinct vision of a normal human eye?
6. Name the defects of vision of human eye?
7. What is the other name of near sightedness?
8. Where is the image formed in an eye suffering from near sightedness?
9. What is the other name of long sightedness?
10. Where is the image formed in an eye suffering from long sightedness?
11. How is long sightedness corrected?
12. A person has to use a concave lens in his spectacles. What defect of vision is he suffering
from?
13. What is the other name of Presbyopia?
14. What is the twinkling of stars due to?
15. Give one example of source of white light.
16. Which scientist first explains the dispersion of light?
17. Name the delicate membrane in the eye having enormous number of light sensitive cells.
18. What kind of lens is used in the spectacles of a person suffering from Myopia (near
sightedness)?
19. On what factor the colour of the scattered light depends?
20. What is a function of choroids?
1. Which part of the eye controls the amount of the light entering the eye?
2. Which liquid fills the space behind the cornea?
3. Why is blind spot so called?
4. What is meant by the accommodation of the eye?
5. What is the least distance of distinct vision of a normal human eye?
6. Name the defects of vision of human eye?
7. What is the other name of near sightedness?
8. Where is the image formed in an eye suffering from near sightedness?
9. What is the other name of long sightedness?
10. Where is the image formed in an eye suffering from long sightedness?
11. How is long sightedness corrected?
12. A person has to use a concave lens in his spectacles. What defect of vision is he suffering
from?
13. What is the other name of Presbyopia?
14. What is the twinkling of stars due to?
15. Give one example of source of white light.
16. Which scientist first explains the dispersion of light?
17. Name the delicate membrane in the eye having enormous number of light sensitive cells.
18. What kind of lens is used in the spectacles of a person suffering from Myopia (near
sightedness)?
19. On what factor the colour of the scattered light depends?
20. What is a function of choroids?
