Class 12 Important Ray Optics question
1. What is
the relation between focal length and radius of curvature?
2. What is mirror formula?
3. Write two law of reflection?
4. What is magnification?
5. What is the SI unit of magnification?
6. What is snell ’s laws?
7. What is refractive index?
8. What is spherical mirror?
9. What is total internal reflection?
10. What is critical angle?
11. Write one application of total internal reflection?
12. Why mirage formation takes place?
13. What is lens formula?
14. When a ray of light passes through the optical center of the lens where does it deviate?
15. Define power of the lens?
16. Which type of mirror is called converging mirror?
17. In which medium speed of light is maximum?
18. Power of convex lens whose focal length is 20 cm?
19. Establish the relation between critical angle and refrective index?
20 what is the SI unit of the power of the lens?
21. Write the formula to find the angle of prism?
22. After dispersion from prism which color of light lie in the bottom?
23. What is the difference between primary and secondary rainbow?
24. Image formed on which part of eye?
25. Name the part of eye adjust the focal length of image?
26. Name the part of eye which control the amount of light passing through the eye?
27. Name the lens used in correction myopia?
28. Name the lens used in correction far-sightedness?
29. Which type of lens used in correction of astigmatism?
30. Name the phenomenon involve in rainbow formation?
31. What is raylish law of scattering?
32. What is presbyopia?
33. Name the important parts eye?
34. What is the standard value of near vision?
35. What is Newton’s classic experiment?
36. Why sky looks blue?
37. Why sky looks black to astronauts?
38. Why sun rises two minutes before the actual sunrise?
39. On which principal optical fibers works?
40. What is the refractive index of diamond?
41. Why red light is used as traffic signal?
42. Write the use of concave mirror?
43. Write the use of convex mirror?
44. Write the use of plane mirror?
45. Where does we placed the object in concave mirror to get larger Image?
46. Write the formula to get refractive index?
47. Two different lens concave and convex have same focal length 20 cm find the power of the lens?
48. How do you find the magnification of lens?
49. Write lens makers formula?
50. What is myopia? Why myopia happens?
51. What is hypermetropia? Why hypermetropia happens?
52. What are the difference between primary and secondary rainbow?
53. White Light is a mixture of seven colour name them?
54. Which colour is in the lowest position in dispersion of light through prism? Why?
55. What is function of optic nerves?
2. What is mirror formula?
3. Write two law of reflection?
4. What is magnification?
5. What is the SI unit of magnification?
6. What is snell ’s laws?
7. What is refractive index?
8. What is spherical mirror?
9. What is total internal reflection?
10. What is critical angle?
11. Write one application of total internal reflection?
12. Why mirage formation takes place?
13. What is lens formula?
14. When a ray of light passes through the optical center of the lens where does it deviate?
15. Define power of the lens?
16. Which type of mirror is called converging mirror?
17. In which medium speed of light is maximum?
18. Power of convex lens whose focal length is 20 cm?
19. Establish the relation between critical angle and refrective index?
20 what is the SI unit of the power of the lens?
21. Write the formula to find the angle of prism?
22. After dispersion from prism which color of light lie in the bottom?
23. What is the difference between primary and secondary rainbow?
24. Image formed on which part of eye?
25. Name the part of eye adjust the focal length of image?
26. Name the part of eye which control the amount of light passing through the eye?
27. Name the lens used in correction myopia?
28. Name the lens used in correction far-sightedness?
29. Which type of lens used in correction of astigmatism?
30. Name the phenomenon involve in rainbow formation?
31. What is raylish law of scattering?
32. What is presbyopia?
33. Name the important parts eye?
34. What is the standard value of near vision?
35. What is Newton’s classic experiment?
36. Why sky looks blue?
37. Why sky looks black to astronauts?
38. Why sun rises two minutes before the actual sunrise?
39. On which principal optical fibers works?
40. What is the refractive index of diamond?
41. Why red light is used as traffic signal?
42. Write the use of concave mirror?
43. Write the use of convex mirror?
44. Write the use of plane mirror?
45. Where does we placed the object in concave mirror to get larger Image?
46. Write the formula to get refractive index?
47. Two different lens concave and convex have same focal length 20 cm find the power of the lens?
48. How do you find the magnification of lens?
49. Write lens makers formula?
50. What is myopia? Why myopia happens?
51. What is hypermetropia? Why hypermetropia happens?
52. What are the difference between primary and secondary rainbow?
53. White Light is a mixture of seven colour name them?
54. Which colour is in the lowest position in dispersion of light through prism? Why?
55. What is function of optic nerves?
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