Question

Describe the character of Ray

Answer 1

please let me know that which Ray of about you are talking incident Ray, normal Ray , geometry Ray?
incident Ray: The Ray of light which is incedent on the surface.
normal Ray: normal Ray is the Ray which incedents 90 degrees to the surface.
geometry Ray: a Ray is a line with a single end point that extends infinitly in one direction.

Answer 2

please mention the lesson or subject