The diagram on the right shows a light ray entering a rectangular block of unknown material and subsequently exiting the block on the opposite side. The path of the light ray through the block is shown. Determine the index of refraction of the unknown material. Preform two calculations - one for each boundary - using Snell's law and the measured angles.

The diagram on the right shows a light ray entering a rectangular block of unknown material and subsequently exiting the block on the opposite side. The path of the light ray through the block is shown. Determine the index of refraction of the unknown material. Preform two calculations - one for each boundary - using Snell's law and the measured angles.

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