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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.

5.3 Black body radiation Lesson

  1. GCSE
  2. /Physics
  3. /5.3 Black body radiation

Step-by-step lessons on Edexcel GCSE Physics 5.3 Black body radiation, covering 5.3.1 Emission of radiation and temperature, 5.3.2 Radiation balance and constant temperature, and 5.3.3 The temperature of the Earth. 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.

Lessons