A glass is half-full of water, with a layer of vegetable
Chapter , Problem 27(choose chapter or problem)
A glass is half-full of water, with a layer of vegetable oil (n 5 1.47) fl oating on top. A ray of light traveling downward through the oil is incident on the water at an angle of 71.48. Determine the critical angle for the oilwater interface and decide whether the ray will penetrate into the water.
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