In this video Prof Arno Smets explains what sunlight consits of and why it is able to generate electricity. He explains that light is an electromagnetic wave, and explains how the energy in such a wave can be computed.
You will find the chapter associated to the lecture below the videos.
Solar Energy by TU Delft OpenCourseWare is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
Based on a work at https://ocw.tudelft.nl/courses/solar-energy/.