Explanation:
According to Snell's law :
Sin i / Sin r = refractive index
[tex]r = sin^{ - 1} ( \frac{sin \: i}{1.33} ) = sin^{ - 1} (0.3)[/tex]
[tex]angle \: of \: refraction = 17.45°[/tex]
Therefore, angle of refraction is less than angle of incidence because the light ray bends towards the normal when it travels from rarer to denser medium
