Answer to Question #337264 in Optics for chan

Question #337264

Suppose a layer of oil (refractive index is 1.45) floats on water (refractive index is 1.33).If a ray of light shines onto the oil with an incidence angle of 40°, what is the angle formes between the ray and the surface of the water?





a) Given;



b)Formula:



c)Solution



d)Final answer with unit:

1
Expert's answer
2022-05-04T17:38:46-0400

α=90°40°=50°,\alpha=90°-40°=50°,

sinαsinβ=n1,\frac{\sin\alpha}{\sin\beta}=n_1,

β=31.9°,\beta=31.9°,

β=90°β=58.1°.\beta'=90°-\beta=58.1°.


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