CLEAN : Young people hold climate strike in Nepal

The video provides an introduction to radio, covering basic concepts and terminology.

What is the primary function of a radio?

• To generate electricity

• To store data

• To transmit sound waves

• To display images

How are radio waves typically generated?

• By chemical reactions

• Using magnetic fields

• Through electrical oscillations

• By heating elements

Which of the following is a key component in radio transmission?

• Speaker

• Screen

• Battery

• Antenna

What is one major application of radio technology today?

• Cooking food

• Building houses

• Navigating ships

• Growing plants

How has radio technology impacted modern communication?

• It has made communication slower

• It has limited communication to local areas

• It has enabled wireless communication over long distances

• It has reduced the need for communication