Question

give reasons why .. we say that cinema is an effective means of mass communication

Answer 1

Film is a means of creative expression. It performs the functions of mass media. Such as information, education, entertainment and transmission of culture. Films are widely popular and their audio visual nature provides them a pervasive power for social influence.

Therefore, they have the potential to play an important role as a medium of entertainment, information and education and as a catalyst for social change. Films are popular because they entertain.