Question #340599

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°. If the index of refraction for this medium is 2.11, what angle does the refracted light make with respect to the surface?

1
Expert's answer
2022-05-13T03:24:21-0400

Given:

ni=1.04n_i=1.04

nr=2.11n_r=2.11

θi=9083=7\theta_i=90^\circ-83^\circ=7^\circ


nisinθi=nrsinθrn_i\sin\theta_i=n_r\sin\theta_r

θr=sin1nisinθinr=sin11.04sin72.11=3.44\theta_r=\sin^{-1}\frac{n_i\sin\theta_i}{n_r}=\sin^{-1}\frac{1.04\sin7^\circ}{2.11}\\ =3.44^\circ

The angle that refracted light makes with respect to the surface

903.44=86.690^\circ-3.44^\circ=86.6^\circ


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