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lana66690 [7]
3 years ago
12

the refractive index is the blank of the speed of light in a medium to the speed of light in a vacuum

Physics
2 answers:
andrew11 [14]3 years ago
8 0

Answer:ratio

Explanation:

creativ13 [48]3 years ago
3 0

Answer:

ratio

Explanation:

Apex Verified

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