Question

at _______ the incident Ray do not bent ​

Answer 1

Answer:

Direction of bending

However, if the ray of light hits the surface at right angles (ie at 90°) to the surface, the ray is not bent. When a ray of light passes from a denser material (eg water or glass) into a less dense material (eg air) it is bent towards the surface between the two materials.

Answer 2

Answer:

same medium.

I hope it will help you