For an electromagnetic wave incident from one medium to a second medium, total internal reflection takes place when

[answerhappygod]

a) Angle of incidence is equal to the Brewster angle with E field perpendicular to the plane of incidence
b) Angle of incidence is equal to the Brewster angle with E field parallel to the plane of incidence
c) Angle of incidence is equal to the critical angle with the wave moving from the denser to rarer medium
d) Angle of incidence is equal to the critical angle with the wave moving from the rarer to denser medium