Without light, there is no photography. Having a solid understanding of how light works will help you to create better images every time.
If you want to have more control over your photographs, you need to understand light. There are three different types of reflection:
When light hits an object, one of three things can happen. The light can be reflected, it can be transmitted, or it can be absorbed. In this short video tutorial from my course, A Photographer’s Guide to Light, you will learn about absorption and reflection.