摘要
本文给出了一种新式光杠杆——复射式光杠杆的结构,并用新旧两种光杠杆测定杨氏弹性模量进行了对比实验,给出了测量结果及误差。
This paper presents the structure of a new light lever-reflectinglight lever, and conducts acomparison experiment of Young's elastic modulus measured by the new and old light lever respectivelyand gives measuring results and error.
出处
《大学物理实验》
1995年第4期36-37,共2页
Physical Experiment of College
关键词
光杠杆
复射式
放大倍数
杨氏模量
light lever
reflecting
enlargement factor
Young's modulus