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# Ranking Index of Refraction

EANDM-SRCU@K

The figure below shows a ray of light propagating through 3 different materials with index of refraction $n_1$, $n_2$, and $n_3$.

Rank the indices of refraction from greatest to least.

A

$n_2>n_1>n_3$

B

$n_1>n_2>n_3$

C

$n_3>n_1>n_2$

D

$n_2>n_1>n_3$