Question

State the uses of infrared radiation.

Answer 1

1. They are used in television remote controls.
2. They are used in infrared thermometers for detecting fever.
3. As they produce a heating effect, they are used in the medical field in infrared therapy for pain relief and thermal scanning to detect problems in blood circulation, cancer and arthritis.
4. They are used in night photography, as they can penetrate through dust and fog.
5. They are used as signals in war.
6. They are used in lamps in dark rooms for development of photographs.
7. They are used in infrared viewers by firefighters to find out survivors trapped in thick smoke or debris.