The table shows the speed of light in three states of matter.
Material Speed (meters/second)
...
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The table shows the speed of light in three states of matter.
Material Speed (meters/second)
air
300,000,000
water
220,000,000
glass
200,000,000
At what point in time would the speed of light decrease?
A
when the light travels from water to air
B
when the light travels from air to water
с
when the light travels fronwglass to air
D
when the light travels from glass to water
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