A ray of light enters a rectangular glass slab of refractive index √3 at angle of incidence 60º. It travels a distance of 5 cm inside the slab and emerges out of the slab. The perpendicular distance between the incident and the emergent rays is
(A) 5√3 cm
(B) 5/2 cm
(C) 5√3/2 cm
(D) 5 cm
