The use of telecast materials facilitates

ABetter concentration and learning

BReaching a large number of people

CBetter retention of topics taught

DAll of the above ✓ Correct

Correct answer: (D) All of the above

Explanation

Telecast materials aid concentration and learning, reach large numbers and improve retention, so all listed benefits apply.

Better concentration and learning follows from combined sight and sound.

Reaching a large number of people reflects broadcast's wide coverage.

Better retention of topics results from vivid audio-visual presentation.

Telecast is a one-way audio-visual mass medium.

India's SITE experiment of 1975-76 pioneered educational television for rural reach.

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