摘要
分析了掠入射法测定液体折射率实验中棱镜角的选择范围,提出了增加半荫视场可见度的途径,讨论了光源位置和棱镜选取对半荫视场分界线可见度的影响,得出了实验室常用棱镜的选择方案.
The range of prism angle in the experiment of measuring the refractive index of liquid by glancing incidence is analyzed. A method of improving the visibility of the half-shadow field is put forward. At the same time, the influence of light position and prism selection on the visibility of separation line in the half-shadow field is discussed; finally the selection scheme of ordinary prism is obtained in the experiment.
出处
《物理实验》
北大核心
2010年第2期27-30,33,共5页
Physics Experimentation
基金
陕西省自然科学基金(No.SJ08A25)
渭南师范学院教改项目(No.JG200703)
关键词
折射率
掠入射
可见度
半荫视场
refractive index
glancing incidence
visibility
half-shadow field
