The angle of refraction of the light which is traveling through air, and then striking water, is 22.1 degrees.
According to the Snell's law, the ratio of index of reflection of the different material is equal to the ratio of incident sine angle and reflective sine angle. It can be given as,
[tex]\dfrac{n_1}{n_2}=\dfrac{\sin\theta_2}{\sin\theta_1}[/tex]
Here (n₁ and n₂) are the index and reflective index and (θ₁ and θ₂) are the incident and reflected angle.
The angle of incidence of light traveling through air, and then striking water, is 30 degrees.
The index of reflection of air is 1 and the index of reflection of water is 1.33. Thus, the angle of refraction by the Snell's law can be given as,
[tex]\dfrac{1}{1.33}=\dfrac{\sin\theta_2}{\sin(30)}\\\theta_2=\sin^{-1}\left(\dfrac{\sin30}{1.33}\right)\\\theta_2=22.1^o[/tex]
Thus, the angle of refraction of the light which is traveling through air, and then striking water is 22.1 degrees.
Learn more about the Snell's law here;
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