Radio Waves
Physics: Edexcel IGCSE, topic 3.3.8
Radio Waves
Radio waves are used for radio and TV communications.
Uses
- Radio waves are used for radio and TV communications.
Risks
- At high intensities, radio waves can cause internal heating of living tissue with potentially harmful effects.
Explanation
- Because radio waves have long wavelengths, they can be transmitted (sent) around the Earth’s surface and around buildings without interference.
Test yourself on Radio Waves
Which one of these is a use of radio waves?
Which statement about radio waves is true?