Radio and television - SS2 Geography Lesson Note

Radio and television are traditional broadcast media. Radio transmits audio signals, while television transmits both audio and video signals to reach a wide audience.

Merits:

1. Wide Reach: They have a broad reach, making them accessible to a large audience, even in remote areas.
2. Mass Communication: They are effective for mass communication and can convey information, entertainment, and news.

Demerits:

1. Limited Interaction: They offer limited interactivity compared to newer media like the internet.
2. High Cost: Production and airtime costs can be high.