INCIDENT RAY - A RAY SHINING ON A SURFACE, APPARENT DEPTH - AN EFFECT OF REFRACTION, LIGHT RAY - A THIN STREAM OF LIGHT, REFLECTION - LIGHT BOUNCING OFF A SHINY SURFACE, NORMAL LINE - A LINE DRAWN AT RIGHT ANGLES TO A SURFACE, REFRACTION - LIGHT CHANGING DIRECTION AS IT MOVES BETWEEN MATERIALS,

Leaderboard

Estilo ng visual

Mga pagpipilian

Magpalit ng template

Ibalik ng awtomatikong pag-save: ?