question_answer

A ray of light is incident on the surface of a glass plate at an angle of incidence equal to Brewster's angle \[\varphi \]. If \[\mu \] represents the refractive index of glass with respect to air, then the angle between reflected and refracted rays is  [CPMT 1989]

A)            \[90+\varphi \]                    

B)            \[{{\sin }^{-1}}(\mu \cos \varphi )\]

C)            90o                                            

D)            \[{{90}^{o}}-{{\sin }^{-1}}(\sin \varphi /\mu )\]