Question
Two transparent media A and B are separated by a plane boundary. The speed of light in those media are 1.5 $\times$ 108 m/s and 2.0 $\times$ 108 m/s, respectively. The critical angle for a ray of light for these two media is
Two transparent media A and B are separated by a plane boundary. The speed of light in those media are 1.5 $\times$ 108 m/s and 2.0 $\times$ 108 m/s, respectively. The critical angle for a ray of light for these two media is