The EM Spectrum: Radio Waves, Micro Waves and IR

Sally looks at radio waves, micro waves and infrared for your GCSE Physics exam. She looks at the energy of these waves, and explains the uses and dangers of each type.  Perfect for AQA, Edexcel, OCR, CIE and WJEC exam boards.  Ideal for preparing you for your GCSE Physics exam.  Click here for the full course, or visit this link: http://bit.ly/37Y7XgC