thanx alcalder,
so, 4 e.g if it was light from air to water: n2 = 1.33 and n1 = 1.00028
So in that case, you take 1.33/1.00028 = constant?
and if it was light from water to air: n2 = 1.00028 and n1 = 1.33
So in that case, you take 1.00028/1.33 = constant?
Also, my teacher mentioned something...