All objects emit and absorb infrared
All objects emit and absorb infrared

Infrared radiation is electromagnetic radiation that transfers energy by radiation and is associated with heating. Every object emits infrared radiation and absorbs infrared radiation, whatever its temperature.
Step-by-step lessons on AQA GCSE Physics 6.3.1 Emission and absorption of infrared radiation. Each one builds up to exam-style questions. Build a strong grip on equations, units and Key Stage 3 fundamentals before tackling the more demanding topics like electromagnetism, the particle model of matter and space physics.