This paper introduces mostly to refraction index of the solid and the liquid by the spectrometer, measuring the peak angle and limit angle and by using of a homemade triangle hollow prism.

• 摘要使用自制的三棱容器，采用折射极限法，从理论推理出测量用三棱容器顶角和极限角的范围，并用分光计进行精密测量，进而获得固体和液体折射率。