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The speed of light ________ when light goes through glass.

a) decreases marginally
b) decreases substantially
c) increases marginally
d) increases substantially
e) none of these


the answer isnt in my book and i cant find it on the internet. i think its b but its a guess

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Respuesta :

AL2006
What happens when the light hits the glass depends on what it was in before it hit the glass.

WHILE it's in the glass, the speed of light doesn't change.

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