the speed of red light as it passes through a glass is ____ compared to the speed of green light
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the speed of red light as it passes through a glass is ____ compared to the speed of green light
the speed of red light as it passes through a glass is ____ compared to the speed of green light
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Answer:
faster.
Explanation:
Light travels at approximately 300,000 kilometers per second in a vacuum, which has a refractive index of 1.0, but it slows down to 225,000 kilometers per second in water (refractive index of 1.3; see Figure 2) and 200,000 kilometers per second in glass (refractive index of 1.5).