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Fig. 23-CO, p. 790

Fig. 23-CO, p. 790. Fig. 23-1, p. 791. Fig. 23-2, p. 791. Fig. 23-3, p. 791. Fig. 23-4, p. 792. Fig. MCQ23-12, p. 817. Fig. P23-5, p. 818. Fig. 23-10, p. 795. Fig. 23-9, p. 794. Fig. 23-13a, p. 797. Fig. 23-13, p. 797. Fig. 23-11, p. 795. Fig. 23-13b, p. 797. Fig. 23-13c, p. 797.

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Fig. 23-CO, p. 790

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  1. Fig. 23-CO, p. 790

  2. Fig. 23-1, p. 791

  3. Fig. 23-2, p. 791

  4. Fig. 23-3, p. 791

  5. Fig. 23-4, p. 792

  6. Fig. MCQ23-12, p. 817

  7. Fig. P23-5, p. 818

  8. Fig. 23-10, p. 795

  9. Fig. 23-9, p. 794

  10. Fig. 23-13a, p. 797

  11. Fig. 23-13, p. 797

  12. Fig. 23-11, p. 795

  13. Fig. 23-13b, p. 797

  14. Fig. 23-13c, p. 797

  15. Fig. 23-14, p. 798

  16. Fig. 23-18, p. 803

  17. Atmospheric Refraction and Sun’s Position • Light rays from the sun are bent as they pass into the atmosphere. • It is a gradual bend because the light passes through layers of the atmosphere. • Each layer has a slightly different index of refraction. • The Sun is seen to be above the horizon even after it has fallen below it. Section 23.5

  18. Atmospheric Refraction and Mirages • A mirage can be observed when the air above the ground is warmer than the air at higher elevations. • The rays in path B are directed toward the ground and then bent by refraction. • The observer sees both an upright and an inverted image. Section 23.5

  19. Fig. 23-20b, p. 804

  20. Lenses work by refracting light Fig. 23-21, p. 805

  21. Fig. 23-23, p. 806

  22. Fig. 23-24, p. 807

  23. Fig. 23-25, p. 807

  24. Fig. 23-25a, p. 807

  25. Fig. 23-25b, p. 807

  26. Fig. 23-25c, p. 807

  27. Fig. 23-26, p. 809

  28. Fig. 23-26a, p. 809

  29. Fig. 23-26b, p. 809

  30. Fig. 23-27, p. 810

  31. Fig. 23-27a, p. 810

  32. Fig. 23-27b, p. 810

  33. Fig. 23-31, p. 814

  34. p. 815

  35. p. 815

  36. p. 815

  37. p. 815

  38. p. 815

  39. p. 816

  40. p. 816

  41. p. 816

  42. Fig. P23-36, p. 820

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