The topic ‘Depletion of Petroleum and Coal’ was taught to Section A of a class by using multimedia capsule while the other Section B was taught through diagrams drawn on the Green Board. It was found later that students of Section A understood the topic to a better extent. This could be due to the reason that

Correct option is C

The correct answer is Audio-visual aids engage the senses for better retention.
Students have thoroughly understood the topic as audiovisual teaching uses all senses of better retention. It is found that students can easily retain the concepts taught through audiovisual mode. This makes them more attentive and enhance their observation skills.