Question

During the refraction of light from a rectangular glass slab ;

angle of incidence =angle of refraction and incident ray is parallel to  refracted  ray

Angle of incidence is not equal to angle of emergence and incident ray is parallel to refracted ray

angle of incidence is equal to angle of emergence and incident ray is not parallel to emergent ray

angle of incidence is equal to angle of emergence and incident ray is parallel to emergent ray .​

Answer 1

Answer:

hope it helps

Explanation:

angle of incidence is equal to angle of emergence and incident ray is not parallel to emergent ray