What is the refractive index of the oil

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A thick layer of oil is floating on the surface of water in a tank. A beam of light traveling in the oil is incident on the water interface at an angle of 30.5 from the normal. The refracted beam travels in the water at an angle of 45.5 from the normal.

What is the refractive index of the oil?

Reference no: EM13255240

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