牛顿环实验中一些问题的探讨
叶 紫1 ,马文姣1 ,孟子硕1 ,陆振帮2*
1.武汉纺织大学 电子与电气工程学院,湖北 武汉 430200; 2.武汉纺织大学 数理科学学院,湖北 武汉 430200
Discussions on Some Issues in Newton Ring Experiment
YE Zi1 ,MA Wenjiao 1 ,MENG Zishuo 1 ,LU Zhenbang2*
摘要
牛顿环实验是一个经典的等厚干涉实验。在应用牛顿环测量平凸透镜曲率半径时,需要对公式进行变形。变形的原因,学生通常的理解是中心“或”级次无法确定。本文详细阐述了正确的原因应是中心“和”级次无法确定。另外,本文还分析了本实验中应用线性拟合法进行数据处理的可行性。
关键词:
牛顿环
曲率半径
中心
级次
Abstract:
Newton ring experiment is a classical experiment about equal thickness interference.The curvature
radius of a plate-convex lens can be measured using the Newton ring method.One important step in this method
is to transform the formula into a measurable form. It is commonly considered that the reason for this
transformation is that one cannot know the center“or”the order.We will show that both the center“and”the
order cannot be measured.Meanwhile,we also prove that the data can be processed with linear fitting method.
Key words:
Newton ring
curvature radius
center
order
出版日期: 2022-02-25
发布日期: 2022-02-25
整期出版日期: 2022-02-25
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