8. 25 pt. 5 pt. 10 pt. 15 pt. 20 pt. 25 pt. 5 pt. 10 pt. 15 pt. 20 pt. 25 pt. 5 pt. 10 pt. 15 pt. 20 pt. 25 pt. 5 pt. 10 pt. 15 pt. 20 pt. 25 pt. 5 pt. 10 pt. 15 pt. 20 pt.

9. 1-5 If you stand 2ft from a plane mirror, how far away is your image?

10. 1-5A If you stand 2ft from a plane mirror, how far away is your image? 4ft

11. 1-10 Describe the image in a diverging mirror:

12. 1-10A Describe the image in a diverging mirror: Virtual Right-Side-Up Smaller than the object Only visible when looking in the mirror (2 of 4 required for the points)

13. 1-15 Is this a Diverging or Converging mirror?

14. 1-15A Converging Is this a Diverging or Converging mirror?

15. 1-20 Parallel light rays striking a converging mirror all do what?

16. 1-20A Parallel light rays striking a converging mirror all do what? Go through the focus point.

17. 1-25 What are the 2 names of this mirror, and what do those names mean?

18. 1-25A Convex:Shape of the mirror Diverging:Affect on light (spreads light out) What are the 2 names of this mirror, and what do those names mean?

19. 2-5 What is the Law of Reflection?

20. 2-5A What is the Law of Reflection? Angle of Incidence = Angle of Reflection

21. 2-10 Draw the Ray Tracings to determine the reflected image. NO NOTES!!!

22. 2-10A Draw the Ray Tracings to determine the reflected image. NO NOTES!!!

23. 2-15 Draw the Ray Tracings to determine the reflected image. NO NOTES!!!

24. 2-15A Draw the Ray Tracings to determine the reflected image. NO NOTES!!!

25. 2-20 Draw the Ray Tracings to determine the reflected image. Show ALL Rays that could be used. NO NOTES!!!

26. 2-20A Draw the Ray Tracings to determine the reflected image. Show ALL Rays that could be used. NO NOTES!!!

27. 2-25 Draw the Ray Tracings to determine the reflected image. NO NOTES!!!

28. 2-25A Draw the Ray Tracings to determine the reflected image. NO NOTES!!!

29. 3-5 What is required for the refraction of light?

30. 3-5A What is required for the refraction of light? The light must change speed.

31. 3-10 If light slows down entering a material, does it refract towards or away from the normal?

32. 3-10A If light slows down entering a material, does it refract towards or away from the normal? Towards

33. 3-15 Draw the path of the light as it moves through and out of these materials: (Show normal lines) n = 1.5n = 1.0n = 2.5

34. 3-15A Draw the path of the light as it moves through and out of these materials: (Show normal lines) n = 1.5n = 1.0n = 2.5

35. 3-20 What happens if light strikes a surface beyond the ‘critical angle’?

36. 3-20A What happens if light strikes a surface beyond the ‘critical angle’? Total internal reflection

37. 3-25 When light enters a medium with a higher index of refraction, the speed of light decreases. The change in what property of a light wave causes this?

38. 3-25A When light enters a medium with a higher index of refraction, the speed of light decreases. The change in what property of a light wave causes this? λ

39. 4-5 What is Snell’s Law?

40. 4-5A What is Snell’s Law? n 1 sin(θ 1 ) = n 2 sin(θ 2 )

41. 4-10 What is the index of refraction for a material in which the speed of light is 0.2C?

42. 4-10A What is the index of refraction for a material in which the speed of light is 0.2C? n = C/V V = 0.2C n = C / 0.2C n = 5

43. 4-15 The light below travels from water to air. At what angle will the light travel in the air? 20°

44. 4-15A n water = 1.33n air = 1 (n water )sin(θ water ) = (n air )sin(θ air ) 1.33sin20 = 1sin(θ air ) θ air = 27° The light below travels from water to air. At what angle will the light travel in the air?

45. 4-20 Type Question Here

46. 4-20A Light travels from crown glass (n = 1.52) into diamond (n = 2.42). If the angle of refraction is 15°,what was the angle of incidence? (n glass )sin(θ glass ) = (n diamond )sin(θ diamond ) 1.52sin(θ glass ) = 2.42sin(15°) θ glass = 30°

47. 4-25 What is the critical angle of a light ray that is travelling from the Goron’s Ruby (n = 3.6) to air?

48. 4-25A (n ruby )sin(θ c ) = (n air )sin(90°) 3.6sin(θ c ) = 1*1 θ ruby = 16.1° What is the critical angle of a light ray that is travelling from the Goron’s Ruby (n = 3.6) to air?

49. 5-5 What super hero could travel nearly the speed of light?

50. 5-5A The Flash What super hero could travel nearly the speed of light?

51. 5-10 What is this?

52. 5-10A What is this?

53. 5-15 The voice of Kirby in “The Brave Little Toaster” was also the voice of what famous cereal spokesman?

54. 5-15A The voice of Kirby in “The Brave Little Toaster” was also the voice of what famous cereal spokesman? Tony The Tiger (Thurl Ravenscroft)

55. 5-20 The $10 bill has a phrase in large red letters. Where is this phrase from? (NO PEEKING!!!)

56. 5-20A The Constitution (The Preamble)

57. 5-25 Decode this secret message:

58. 5-25A Decode this secret message:

59. Daily Double Light travels from crown glass (n = 1.52) into diamond (n = 2.42). If the angle of refraction is 15°,what was the angle of incidence?