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A layer of oil 3 cm thick is floating on...

A layer of oil 3 cm thick is floating on a layer of coloured water 5 cm thick. Refractive index of coloured water is `5//3` and the apparent depth of the two liquids appears to be `36//7`cm. Find the refractive index of oil.

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To solve the problem, we need to find the refractive index of the oil layer that is floating on a layer of colored water. We are given the thickness of the oil and water layers, the refractive index of the colored water, and the apparent depth of the two liquids. ### Step-by-Step Solution: 1. **Identify the given values:** - Thickness of oil (h_oil) = 3 cm - Thickness of colored water (h_water) = 5 cm - Refractive index of colored water (n_water) = 5/3 ...
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