How Do You Use The Submersion Method To Determine The Refractive Index Of A Piece Of Glass Found At A Crime Scene?

How Do You Use The Submersion Method To Determine The Refractive Index Of A Piece Of Glass Found At A Crime Scene? The submersion method involves placing the glass fragment into different liquids of known refractive indexes. If a piece of glass and a liquid have the same refractive index, the glass fragment will seem: