A ray of light is travelling in a direction perpendicular to the boundary of a parallel glass slab. The ray of light

Q. A ray of light is travelling in a direction perpendicular to the boundary of a parallel glass slab. The ray of light:

A.            Is refracted towards the normal

B.            Is refracted away from the normal

C.            Is reflected along the same path

D.            Does not get refracted

Answer: Does not get refracted