第1个回答 2013-09-07
物质 折射率Vacum 1.0Air 1.00029Ice 1.31Water at 20 C 1.33Acetone 1.36Ethyl alcohol 1.36Sugar solution (30%) 1.38Fluorite 1.433Fused quartz 1.46Glycerine 1.473Sugar solution (80%) 1.49Typical crown glass 1.52Crown glass 1.52-1.62Sodium chloride 1.54Polystyrene 1.55-1.59Carbon disulfide 1.63Flint glass 1.57-1.75Heavy flint glass 1.65Extra dense flint 1.72Methylene iodide 1.74Sapphire 1.77Rare earth flint 1.7-1.84Lanthanum flint 1.82-1.98Arsenic trisulfide