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Understanding Optics: Key Concepts from PHYSICAL SCIENCE Jeopardy Review

This review explores essential concepts in optics, categorized into topics on photons, reflection, refraction, mirrors, lenses, and their applications. Key questions include the definition of a photon, the laws of reflection and refraction, the significance of optical fibers in communication, and methods of vision correction. The importance of polarization, diffraction, and interference patterns are also discussed, enhancing understanding in the field of optics. This resource is ideal for students preparing for examinations in physics.

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Understanding Optics: Key Concepts from PHYSICAL SCIENCE Jeopardy Review

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  1. Jeopardy PHY101 Chapter 9 Review Study of Optics Cheryl Dellai

  2. Study of Optics

  3. Photons $100 What is a photon? ANSWER

  4. Photons $200 What is the energy of a photon? ANSWER

  5. Photons $300 What can happen to a photon as it moved from one medium to another. ANSWER

  6. Photons $400 What is the index of refraction? ANSWER

  7. Reflection & Refraction $100 State the Law of Reflection. ANSWER

  8. Reflection & Refraction $200 State the Law of Refraction. ANSWER

  9. Reflection & Refraction $300 Why are optical fibers important for communication? ANSWER

  10. Reflection & Refraction$400 Certain types of sunglasses are very effective at diminishing light reflected from surfaces because of __________. ANSWER

  11. Mirrors $100 The direction of light is _____? ANSWER

  12. Mirrors $200 Name 3 types of mirrors ANSWER

  13. Mirrors $300 What is the mirror equation? ANSWER

  14. Mirrors$400 What is the magnification equation? ANSWER

  15. Lenses $100 Choose the lens having the shortest focal length. ANSWER

  16. Lenses $200 What is a Diopter? ANSWER

  17. Lenses $300 What is the thin lens equation? ANSWER

  18. Lenses $400 A person looking through eyeglasses sees ________ & _________ images. ANSWER

  19. Effects $100 Liquid crystal displays make use of __________. ANSWER

  20. Effects $200 Light spreads out when it passes through a narrow slit because of __________. ANSWER

  21. Effects $300 When light passes through two or more narrow slits, an alternating dark and bright pattern is observed on a screen because of _________. ANSWER

  22. Effects $400 The sky is blue because of ________. ANSWER

  23. Potpourri $100 Optical fibers work because of _______. ANSWER

  24. Potpourri $200 You see colors in a rainbow because of _________. ANSWER

  25. Potpourri $300 A ________ lens is used to compensate for hyperopia (farsighted). ANSWER

  26. Potpourri $400 When myopia (nearsighted) is corrected surgically, the shape of the ________ is changed. ANSWER

  27. Photons$100Answer What is a photon? A photon is a wave packet of light. Back to Jeopardy

  28. Photons$200Answer What is the energy of a photon? Energy = hf Planck’s Constant h = 6.63*10-34 J*s Back to Jeopardy

  29. Photons$300Answer • What can happen to a photon as it moved from one medium to another. • Absorbed • Reflected • Refracted Back to Jeopardy

  30. Photons$400Answer • What is the index of refraction? • n = c/v Back to Jeopardy

  31. Reflection & Refraction$100Answer State the Law of Reflection. Angle in = Angle out wrt to the normal normal q q Back to Jeopardy

  32. Reflection & Refraction$200Answer State the Law of Refraction. n1sinq1 = n2sinq2 Back to Jeopardy

  33. Reflection & Refraction$300Answer Why are optical fibers important for communication? They can carry thousands of times the information that wires can. This is the result of internal refraction. Back to Jeopardy

  34. Reflection & Refraction$400Answer Certain types of sunglasses are very effective at diminishing light reflected from surfaces because of polarization. Back to Jeopardy

  35. Mirrors $100Answer The direction of light is positive? Back to Jeopardy

  36. Mirrors $200Answer Name 3 types of mirrors Flat R = infinity Concave R = + Convex R = - Back to Jeopardy

  37. Mirrors $300Answer What is the mirror equation? s-1 + p-1 = 2/R = f-1 s = source p= projection Back to Jeopardy

  38. Mirrors $400Answer What is the magnification equation? s = source p= projection Back to Jeopardy

  39. Lenses $100Answer Choose the lens having the shortest focal length. A The thickest in the middle has the shortest focal length. These are all positive (converging) lenses Back to Jeopardy

  40. Lenses $200Answer What is a Diopter? DO =1/f where f is in meters Back to Jeopardy

  41. Lenses $300Answer What is the thin lens equation? s-1 + p-1 = f-1 =(n2/n1 -1)*(1/R1 – 1/R2) s = source p= projection Back to Jeopardy

  42. Lenses $400Answer A person looking through eyeglasses sees virtual & erect images. Back to Jeopardy

  43. Effects $100Answer Liquid crystal displays make use of polarization. Back to Jeopardy

  44. Effects $200Answer Light spreads out when it passes through a narrow slit because of diffraction . Back to Jeopardy

  45. Effects $300Answer When light passes through two or more narrow slits, an alternating dark and bright pattern is observed on a screen because of interference. Back to Jeopardy

  46. Effects $400Answer The sky is blue because of scattering. Back to Jeopardy

  47. Potpourri $100Answer Optical fibers work because of total internal reflection. Back to Jeopardy

  48. Potpourri $200Answer You see colors in a rainbow because of dispersion. Back to Jeopardy

  49. Potpourri $300Answer A converging lens is used to compensate for hyperopia (farsighted). Back to Jeopardy

  50. Potpourri $400Answer When myopia (nearsighted) is corrected surgically, the shape of the cornea is changed. Back to Jeopardy

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