In this problem, we'll use the equation for refractive index.
Refractive index is expressed as:
, where c is the speed of light in a vacuum and v is the speed of light in the medium.
The speed of light in a vacuum is 3 0×108 m/s. The index of refraction of water is 1.33. What s the speed light in water?
A) 2.3×10–8 m/s
B) 3.0×10–8 m/s
C) 2.3×108 m/s
D) 3.0×108 m/s
E) 3.9×108 m/s
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