Sound as Radiation
Science: KS3, topic 3.3.35
Radio Waves

Uses
- Radio waves are used for radio and TV communications.

Risks
- At high intensities, radio waves can cause internal heating of living tissue.
- The heating could be harmful.
Test yourself on Sound as Radiation
Which one of these is a use of radio waves?
Which statement about radio waves is true?
A TV transmitter broadcasts radio waves at low intensity. A faulty transmitter broadcasts radio waves at very high intensity. Which transmitter is more likely to cause harmful heating in nearby living tissue?