1. What is the bouncing back of light called?
2. Which surface reflects light the best?
3. What type of mirror is used in rear view mirrors of vehicles?
4. What is the angle between the incident ray and the normal called?
5. Which part of the eye controls the amount of light entering the eye?
6. What happens when light passes from air to glass?
7. What is the phenomenon of splitting white light into seven colors called?
8. Which color deviates the most in dispersion?
9. What kind of lens is used to correct myopia?
10. What image is formed by a plane mirror?
11. What is the unit of measurement for the power of a lens?
12. Which part of the eye focuses light onto the retina?
13. What is the cause of the formation of shadows?
14. What kind of image is formed by a concave mirror when the object is placed very close?
15. What is the name of the transparent front layer of the eye?
16. What property of light causes refraction?
17. Which instrument is used to view distant objects?
18. What kind of mirror is used by dentists to view teeth?
19. What is lateral inversion?
20. What causes the twinkling of stars?
21. What kind of image is formed by convex mirrors?
22. What happens to light in a prism?
23. What is the function of the retina in the human eye?
24. Which phenomenon explains rainbow formation?
25. What is the path that light takes called?
26. What is a real image?
27. Which type of lens converges light rays?
28. Which part of the eye is sensitive to light?
29. Which device uses both mirrors and lenses to view objects around corners?
30. What is the image formed by a magnifying glass?
31. Which lens is thicker at the center than at the edges?
32. Why is the image formed by our eyes inverted on the retina?
33. Which light color bends the most in a prism?
34. What type of image is formed by a concave mirror when the object is beyond the center of curvature?
35. Which optical device is used to correct hypermetropia?
36. What is refraction of light?
37. Which part of the eye helps to adjust the focus on near and far objects?
38. Which mirror is used in solar cookers?
39. Which instrument uses a pair of convex lenses to magnify objects?
40. Why do we see our image in a mirror?