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
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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
