The same monochromatic light passes through the interface between two other unknown materials. This time the transmitted wave is observed to be farther from the normal to the interface than the incident wave. What can be said about these two materials and the light traveling through them?

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The second material through which the light propagates has a higher index of refraction.

The second material through which the light propagates has a lower index of refraction.

As the light passes into the second material, its speed increases.

As the light passes into the second material, its speed decreases.