Light travels in a medium of index of refraction n', passes into a medium of index n", where n" n', and then into air, where n_air

Question

Light travels in a medium of index of refraction n', passes into a medium of index n", where n" > n', and then into air, where n_air < n' < n". The ray that correctly shows the light path is A) 1 B) 2 C) 3 D) 4 E) 5

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The Answer of Light travels in a medium of index of refraction n', passes into a medium of index n", where n" > n', and then into air, where n_air < n' < n". The ray that correctly shows the light path is A) 1 B) 2 C) 3 D) 4 E) 5

Light Travels in a Medium of Index of Refraction N