Question

when a Ray of light travel from air to glass and strikes the surface of separation at 90 degree with the surface ​

Answer 1

Answer:

spectrum of ligth or dispersion of light

Answer 2

Answer:

no disturbance

Explanation:

the ray would not refract and go undeviated because refraction do not occous in 90 degree ........... as per snells law ......

which states that sin angle i

                             sin angle r ===  is a constant