Physics Review Question Unit: Waves Year: 1996 Question#: 47 Question: In the diagram at the right, monochromatic light (=5.9 x 10-7meter) in air is about to travel through crown glass, water, and diamond. In which substance does light travel the slowest? (1 ) air (2 ) diamond (3 ) water (4 ) crown glass What is this question really asking? Explanation by: Nathaniel Weiss [ Return to question menu ] Answer 1 air INCORRECT Incorrect, air has a lower absolute index of refraction, than diamond. return to top Answer 2 diamond CORRECT Correct, because diamond has the highest absolute index of refraction at 2.42. return to top Answer 3 water INCORRECT Incorrect, has a lower absolute index of refraction than diamond. return to top Answer 4 crown glass INCORRECT Incorrect, has a lower absolute index of refraction than diamond. return to top What's this question really asking? Which substance has the highest absolute index of refraction. return to top |
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