Across
- 4. The amount of light entering the eye is controlled by
- 5. Front balged part of the eyeball is called
- 6. Impression of an image in eye is formed on _______
- 7. Band of seven colours is called
- 9. Rainbow is a natural phenomenon showing
- 10. It is the type of mirror used as a backview mirror
Down
- 1. The defect due to which a person is not able to see the distant objects
- 2. The splitting of white light into its seven constituent colours is called
- 3. Myopia can be corrected by using this type of lens
- 8. In our eye _______ cells can sense colour