Cranes working on London building sites

What is the primary function of radio in communication?

• To provide internet access

• To enhance visual media

• To store data

• To transmit sound over long distances

How are radio waves generated?

• Through gravitational forces

• Through electrical oscillations

• By reflecting light

• By chemical reactions

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

• Antenna

• Battery

• Screen

• Keyboard

In which field is radio technology NOT commonly used?

• Cooking

• Medical imaging

• Navigation

• Broadcasting

What is one of the significant applications of radio technology?

• Facilitating wireless communication

• Increasing screen resolution

• Enhancing video quality

• Improving battery life