Thermal Radiation and Black Bodies
Thermal Radiation and Black Bodies
Every object above absolute zero emits electromagnetic radiation because of its temperature. At everyday temperatures, most of this thermal radiation is invisible infrared.
Step-by-step lessons on Edexcel GCSE Physics 5.3 Black body radiation (physics only). Each one builds up to exam-style questions. Master the required practical work and core equations early, since both papers can draw on content and maths skills from across the whole specification.