The angle of incidence at which reflected light is totally polarized for a ray travelling from air to glass (refractive index n), is 

• A

  ${\sin }^{-1}\left(\mu \right)$

• B

  ${\sin }^{-1}\left(\frac{1}{\mu }\right)$

• C

  ${\tan }^{-1}\left(\frac{1}{\mu }\right)$

• D

  ${\tan }^{-1}\left(\mu \right)$