ID 257451439 © Jaksamya | Megapixl.com
Sharing is not just caring, it's also about giving credit - add this image to your page and give credit to the talented photographer who captured it.:
air angle bends chart class definition design diagram direction drawing education educational experiment formula glass graphic icon incident lab law line mathematical normal observations optical passing physics ray refraction refracts schematic school science scientific sign simple snell students study surface symbol vector water wave light water light