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Help plzzzzzzz ASAP!
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Help plzzzzzzz ASAP!

Help plzzzzzzz ASAP!-example-1
User Wteuber
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2 Answers

6 votes
The index of refraction is the speed of light in a material so the answer is c

User Joel Reid
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i am going to say C. it has to do with the angles
User Eliasw
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