1. Light passing through a prism splits into seven colours. This is called

2. The image formed by a camera and a simple microscope are respectively

3. If the angle of incidence of light falling on a plane mirror is 30°, what will be the angle of reflection?

4. Light enters the eye through

5. Myopia can be corrected by using a

6. Rainbow is a natural phenomenon showing

7. The splitting of white light into its seven constituent colours is called

8. In case of reflection of light, the angle of incidence (i) and the angle of reflection (r) are related as

9. Beam of light striking the reflecting surface is called

10. A smooth shining surface, which rebounds the light back in same or in different direction, is called

11. The amount of light entering the eye is controlled by

12. Band of seven colours is called

13. Visually impaired people can read and write using

14. Front balged part of the eyeball is called

15. Which one of the following statements is correct regarding rods and cones in the human eye?

16. The defect due to which a person is not able to see the distant objects clearly

17. What is the angle of incidence of a ray if the reflected ray is at an angle of 90° to the incident ray?

18. When we stand in front of our dressing table, our left hand seems to be right and right seems to be left. This is called

19. An owl can see clearly at night but not day time because it has

20. Name the type of mirror used as a backview mirror.