Perception problem in social communication

In a same class teaches by same teacher it is impossible to understand the complex topics by all students equally. That is due to for perception of differernt student in same class is not similar. This phenomenon of understanding the facts is called perception. It is simply to say that perception is an ability to understand on perceive. In a class of theoretical physics or mathmatics you find different perception related problem within different student. This problem is also found in different level of social communication. In a dialogue in English language speaker with non narive english speaker their may found a perception related problem in terms of understanding the facts. In a social behavior and culture their also found a perception related problem. A behavior of an educated person may perceive as a wrong by an illiterate people. Behaviour and social culture of a scientist may be count differently by a normal people.