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26. What is average frequency?
Total Exposures/Audience Reach
Audience Reach/Total Exposures
Total Exposures in a given time period
None of these
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27. An effective teacher will ensure
Cooperation among his students
Laissez faire role on his part.
Competition among his students.
Competition or cooperation as the situation demands.
28. When was the moving transmission of TV started?
1980
1985
1987
1989
29. Effective communication does not require
Voice modulation
Appropriate gestures
Students involvement
30. Collection of information in advance before designming communication strategy is known as:
Feed-back
Feed-forward
Research study
Opinion poll
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