Refraction of Light

For those who want notes for the subtopic, Refraction of Light, please refer to my slideshow below.
https://docs.google.com/presentation/d/e/2PACX-1vRA5vp_qrdBJXc0qY1Z1OQ8xwBmDUvzzraL1QjPApBDmsms3ey2IrWBqDExtXbfYkjD6IR-z5jOQoyU/pub?start=false&loop=false&delayms=3000