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Home Q & A Board Science-Related Homework Help Physics
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doit_the_clown doit_the_clown
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7 years ago
How does the speed of light in a substance such as glass compare to the speed of light in a vacuum?
A)   The speed of light in glass is faster than the speed of light in a vacuum.
B)   The speed of light is the same in both, equal to 299,792.458 km/s.
C)   The speed of light in glass is slower than the speed of light in a vacuum.
D)   The speed of light in glass can be faster or slower than the speed of light in a vacuum, depending on the type of glass.
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Discovering the Universe

Discovering the Universe


Edition: 7th
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Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.

Albert Einstein
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papachulopapachulo
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7 years ago
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doit_the_clown Author
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7 years ago
Good timing, thanks!
djeghri
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You make an excellent tutor!
Morgan-C
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2 hours ago
This site is awesome
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