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Misunderstood Lab Report

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Misunderstood Lab Report
While experimenting with the speed of light, I noticed that the light being refracted was slower when it shined through a denser medium. For example when the higher medium was water and we were comparing it to air, the speed of the light being refracted was 0.75 c. If we were to switch the medium to glass, which is more dense than water, the speed of the light decreased to 0.67 c. For two of the mediums they were both placed at the same angle when we started shining the light and as the outcome, the speed decreased when it traveled through the glass. I thought that the speed of light would change if the light shined from a different angle but I was wrong, it did not change at all. These results were tested when the light was
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