Answer to Question #242803 in Optics for Jojo

Question #242803
Light travels through a medium with an index of refraction of 1.04.It comes to the surface of another medium at an angle of 83 degree. If the index of refraction for this medium is 2.1, what angle does the refracted light make with respect to the surface?
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Expert's answer
2021-09-27T09:01:59-0400

n1=1.04;θ1=83°n_1 = 1.04;\theta_1=83\degree

n2=2.1;n_2 = 2.1;

by Snell’s Law:\text{by Snell's Law:}

n1sinθ1=n2sinθ2n_1\sin\theta_1=n_2\sin\theta_2

sinθ2=n1sinθ1n2=1.04sin83°2.10.4915sin\theta_2=\frac{n_1\sin\theta_1}{n_2}=\frac{1.04\sin83\degree}{2.1}\approx0.4915

θ2=29.44°\theta_2 = 29.44\degree


Answer: θ2=29.44°\text{Answer: }\theta_2 = 29.44\degree


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