UGC NET Questions (Paper – 1)

Mechanical barriers are caused by breakdowns in technical devices or physical media used in communication. When a microphone fails,students cannot hear the teacher clearly even if the message is well prepared. The interference is therefore mechanical in nature. Thus,the barrier mentioned in the stem is a mechanical barrier.

Option A:
Psychological barriers stem from emotions or attitudes,such as boredom or fear,and do not involve equipment failure.

Option B:
Semantic barriers concern misunderstandings of word meanings,which are not the issue when sound simply does not reach the audience.

Option C:
Mechanical barriers highlight the importance of checking equipment before class and having backup arrangements,making option C appropriate.

Option D:
Cultural barriers arise from differences in cultural norms and values,not from technical faults in sound systems.