Reflection

https://www.youtube.com/watch?v=ETF2-Zz3J18

https://www.physicsclassroom.com/Physics-Interactives/Reflection-and-Mirrors/Plane-Mirror-Images/Plane-Mirror-Interactive

https://www.youtube.com/watch?v=skGmQC87Bvg

https://www.youtube.com/watch?v=skGmQC87Bvg