A beam of sunlight passes into a ethyl alcohol and is refracted at Ana angle of 25 degrees. What is the angle of incidence? Ethyl alcohol has a index of refraction of 1.360? The angle of incidence is?
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A beam of sunlight passes into a ethyl alcohol and is refracted at Ana angle of 25 degrees. What is the angle of incidence? Ethyl alcohol has a index of refraction of 1.360? The angle of incidence is?
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